Home / 99,648,001.30-149,472,001.95-74,138,833.30

Finding the Fourth Proportional to 99,648,001.30, 149,472,001.95 and 74,138,833.30

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Solution

The fourth proportional to 99,648,001.30, 149,472,001.95 and 74,138,833.30 is: 111,208,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,001.30 : 149,472,001.95 = 74,138,833.30 : x
  2. Step 2: Convert to fraction form
    99,648,001.30/149,472,001.95 = 74,138,833.30/x
  3. Step 3: Cross multiply
    99,648,001.30x = 149,472,001.95 × 74,138,833.30
  4. Step 4: Simplify right side
    99,648,001.30x = 11,081,679,835,588,324
  5. Step 5: Solve for x
    x = 11,081,679,835,588,324/99,648,001.30
  6. Step 6: Final answer
    x = 111,208,249.95

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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.