Home / 78,981,090.24-118,486,465.76-35,853,320.64

Finding the Fourth Proportional to 78,981,090.24, 118,486,465.76 and 35,853,320.64

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Solution

The fourth proportional to 78,981,090.24, 118,486,465.76 and 35,853,320.64 is: 53,786,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,981,090.24 : 118,486,465.76 = 35,853,320.64 : x
  2. Step 2: Convert to fraction form
    78,981,090.24/118,486,465.76 = 35,853,320.64/x
  3. Step 3: Cross multiply
    78,981,090.24x = 118,486,465.76 × 35,853,320.64
  4. Step 4: Simplify right side
    78,981,090.24x = 4,248,133,248,393,661.50
  5. Step 5: Solve for x
    x = 4,248,133,248,393,661.50/78,981,090.24
  6. Step 6: Final answer
    x = 53,786,713.19

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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.