Home / 127,467,113,213.92-175,920,041,056.98-72,547,639,112.74

Finding the Fourth Proportional to 127,467,113,213.92, 175,920,041,056.98 and 72,547,639,112.74

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Solution

The fourth proportional to 127,467,113,213.92, 175,920,041,056.98 and 72,547,639,112.74 is: 100,124,520,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467,113,213.92 : 175,920,041,056.98 = 72,547,639,112.74 : x
  2. Step 2: Convert to fraction form
    127,467,113,213.92/175,920,041,056.98 = 72,547,639,112.74/x
  3. Step 3: Cross multiply
    127,467,113,213.92x = 175,920,041,056.98 × 72,547,639,112.74
  4. Step 4: Simplify right side
    127,467,113,213.92x = 12,762,583,651,300,191,240,192
  5. Step 5: Solve for x
    x = 12,762,583,651,300,191,240,192/127,467,113,213.92
  6. Step 6: Final answer
    x = 100,124,520,980.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.