Home / 119,233,428.20-178,850,142.30-99,078,036.20

Finding the Fourth Proportional to 119,233,428.20, 178,850,142.30 and 99,078,036.20

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Solution

The fourth proportional to 119,233,428.20, 178,850,142.30 and 99,078,036.20 is: 148,617,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,233,428.20 : 178,850,142.30 = 99,078,036.20 : x
  2. Step 2: Convert to fraction form
    119,233,428.20/178,850,142.30 = 99,078,036.20/x
  3. Step 3: Cross multiply
    119,233,428.20x = 178,850,142.30 × 99,078,036.20
  4. Step 4: Simplify right side
    119,233,428.20x = 17,720,120,873,174,552
  5. Step 5: Solve for x
    x = 17,720,120,873,174,552/119,233,428.20
  6. Step 6: Final answer
    x = 148,617,054.30

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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.