Home / 131,316,108.68-181,225,607.46-72,577,512.04

Finding the Fourth Proportional to 131,316,108.68, 181,225,607.46 and 72,577,512.04

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Solution

The fourth proportional to 131,316,108.68, 181,225,607.46 and 72,577,512.04 is: 100,162,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316,108.68 : 181,225,607.46 = 72,577,512.04 : x
  2. Step 2: Convert to fraction form
    131,316,108.68/181,225,607.46 = 72,577,512.04/x
  3. Step 3: Cross multiply
    131,316,108.68x = 181,225,607.46 × 72,577,512.04
  4. Step 4: Simplify right side
    131,316,108.68x = 13,152,903,707,384,466
  5. Step 5: Solve for x
    x = 13,152,903,707,384,466/131,316,108.68
  6. Step 6: Final answer
    x = 100,162,149.48

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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.