Home / 78,981,086.24-118,486,459.76-35,853,316.64

Finding the Fourth Proportional to 78,981,086.24, 118,486,459.76 and 35,853,316.64

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Solution

The fourth proportional to 78,981,086.24, 118,486,459.76 and 35,853,316.64 is: 53,786,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,981,086.24 : 118,486,459.76 = 35,853,316.64 : x
  2. Step 2: Convert to fraction form
    78,981,086.24/118,486,459.76 = 35,853,316.64/x
  3. Step 3: Cross multiply
    78,981,086.24x = 118,486,459.76 × 35,853,316.64
  4. Step 4: Simplify right side
    78,981,086.24x = 4,248,132,559,327,898.50
  5. Step 5: Solve for x
    x = 4,248,132,559,327,898.50/78,981,086.24
  6. Step 6: Final answer
    x = 53,786,707.19

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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.