Home / 127,467,113,213.42-175,920,041,056.29-72,547,639,112.24

Finding the Fourth Proportional to 127,467,113,213.42, 175,920,041,056.29 and 72,547,639,112.24

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Solution

The fourth proportional to 127,467,113,213.42, 175,920,041,056.29 and 72,547,639,112.24 is: 100,124,520,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467,113,213.42 : 175,920,041,056.29 = 72,547,639,112.24 : x
  2. Step 2: Convert to fraction form
    127,467,113,213.42/175,920,041,056.29 = 72,547,639,112.24/x
  3. Step 3: Cross multiply
    127,467,113,213.42x = 175,920,041,056.29 × 72,547,639,112.24
  4. Step 4: Simplify right side
    127,467,113,213.42x = 12,762,583,651,162,173,472,768
  5. Step 5: Solve for x
    x = 12,762,583,651,162,173,472,768/127,467,113,213.42
  6. Step 6: Final answer
    x = 100,124,520,979.73

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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.