Home / 123,816,115.70-185,724,173.55-83,001,446.90

Finding the Fourth Proportional to 123,816,115.70, 185,724,173.55 and 83,001,446.90

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Solution

The fourth proportional to 123,816,115.70, 185,724,173.55 and 83,001,446.90 is: 124,502,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,816,115.70 : 185,724,173.55 = 83,001,446.90 : x
  2. Step 2: Convert to fraction form
    123,816,115.70/185,724,173.55 = 83,001,446.90/x
  3. Step 3: Cross multiply
    123,816,115.70x = 185,724,173.55 × 83,001,446.90
  4. Step 4: Simplify right side
    123,816,115.70x = 15,415,375,128,956,712
  5. Step 5: Solve for x
    x = 15,415,375,128,956,712/123,816,115.70
  6. Step 6: Final answer
    x = 124,502,170.35

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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.