Home / 127,467,113,212.92-175,920,041,055.60-72,547,639,111.74

Finding the Fourth Proportional to 127,467,113,212.92, 175,920,041,055.60 and 72,547,639,111.74

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Solution

The fourth proportional to 127,467,113,212.92, 175,920,041,055.60 and 72,547,639,111.74 is: 100,124,520,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467,113,212.92 : 175,920,041,055.60 = 72,547,639,111.74 : x
  2. Step 2: Convert to fraction form
    127,467,113,212.92/175,920,041,055.60 = 72,547,639,111.74/x
  3. Step 3: Cross multiply
    127,467,113,212.92x = 175,920,041,055.60 × 72,547,639,111.74
  4. Step 4: Simplify right side
    127,467,113,212.92x = 12,762,583,651,024,153,608,192
  5. Step 5: Solve for x
    x = 12,762,583,651,024,153,608,192/127,467,113,212.92
  6. Step 6: Final answer
    x = 100,124,520,979.04

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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.