Home / 181,912,931.70-272,869,397.55-66,873,669.90

Finding the Fourth Proportional to 181,912,931.70, 272,869,397.55 and 66,873,669.90

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Solution

The fourth proportional to 181,912,931.70, 272,869,397.55 and 66,873,669.90 is: 100,310,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,912,931.70 : 272,869,397.55 = 66,873,669.90 : x
  2. Step 2: Convert to fraction form
    181,912,931.70/272,869,397.55 = 66,873,669.90/x
  3. Step 3: Cross multiply
    181,912,931.70x = 272,869,397.55 × 66,873,669.90
  4. Step 4: Simplify right side
    181,912,931.70x = 18,247,778,017,570,568
  5. Step 5: Solve for x
    x = 18,247,778,017,570,568/181,912,931.70
  6. Step 6: Final answer
    x = 100,310,504.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.