Home / 99,765,123.30-149,647,684.95-65,724,905.70

Finding the Fourth Proportional to 99,765,123.30, 149,647,684.95 and 65,724,905.70

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Solution

The fourth proportional to 99,765,123.30, 149,647,684.95 and 65,724,905.70 is: 98,587,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,765,123.30 : 149,647,684.95 = 65,724,905.70 : x
  2. Step 2: Convert to fraction form
    99,765,123.30/149,647,684.95 = 65,724,905.70/x
  3. Step 3: Cross multiply
    99,765,123.30x = 149,647,684.95 × 65,724,905.70
  4. Step 4: Simplify right side
    99,765,123.30x = 9,835,579,981,562,058
  5. Step 5: Solve for x
    x = 9,835,579,981,562,058/99,765,123.30
  6. Step 6: Final answer
    x = 98,587,358.55

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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.