Home / 131,316,109.68-181,225,608.84-72,577,513.04

Finding the Fourth Proportional to 131,316,109.68, 181,225,608.84 and 72,577,513.04

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Solution

The fourth proportional to 131,316,109.68, 181,225,608.84 and 72,577,513.04 is: 100,162,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316,109.68 : 181,225,608.84 = 72,577,513.04 : x
  2. Step 2: Convert to fraction form
    131,316,109.68/181,225,608.84 = 72,577,513.04/x
  3. Step 3: Cross multiply
    131,316,109.68x = 181,225,608.84 × 72,577,513.04
  4. Step 4: Simplify right side
    131,316,109.68x = 13,152,903,988,767,040
  5. Step 5: Solve for x
    x = 13,152,903,988,767,040/131,316,109.68
  6. Step 6: Final answer
    x = 100,162,150.86

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