Home / 181,916,149.60-272,874,224.40-72,687,309.40

Finding the Fourth Proportional to 181,916,149.60, 272,874,224.40 and 72,687,309.40

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Solution

The fourth proportional to 181,916,149.60, 272,874,224.40 and 72,687,309.40 is: 109,030,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916,149.60 : 272,874,224.40 = 72,687,309.40 : x
  2. Step 2: Convert to fraction form
    181,916,149.60/272,874,224.40 = 72,687,309.40/x
  3. Step 3: Cross multiply
    181,916,149.60x = 272,874,224.40 × 72,687,309.40
  4. Step 4: Simplify right side
    181,916,149.60x = 19,834,493,176,247,828
  5. Step 5: Solve for x
    x = 19,834,493,176,247,828/181,916,149.60
  6. Step 6: Final answer
    x = 109,030,964.10

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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.