Home / 78,981,087.24-118,486,461.26-35,853,317.64

Finding the Fourth Proportional to 78,981,087.24, 118,486,461.26 and 35,853,317.64

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Solution

The fourth proportional to 78,981,087.24, 118,486,461.26 and 35,853,317.64 is: 53,786,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,981,087.24 : 118,486,461.26 = 35,853,317.64 : x
  2. Step 2: Convert to fraction form
    78,981,087.24/118,486,461.26 = 35,853,317.64/x
  3. Step 3: Cross multiply
    78,981,087.24x = 118,486,461.26 × 35,853,317.64
  4. Step 4: Simplify right side
    78,981,087.24x = 4,248,132,731,594,335
  5. Step 5: Solve for x
    x = 4,248,132,731,594,335/78,981,087.24
  6. Step 6: Final answer
    x = 53,786,708.69

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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.