Home / 83,921,695,488.39-115,823,752,345.30-53,428,138,412.79

Finding the Fourth Proportional to 83,921,695,488.39, 115,823,752,345.30 and 53,428,138,412.79

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Solution

The fourth proportional to 83,921,695,488.39, 115,823,752,345.30 and 53,428,138,412.79 is: 73,738,351,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,921,695,488.39 : 115,823,752,345.30 = 53,428,138,412.79 : x
  2. Step 2: Convert to fraction form
    83,921,695,488.39/115,823,752,345.30 = 53,428,138,412.79/x
  3. Step 3: Cross multiply
    83,921,695,488.39x = 115,823,752,345.30 × 53,428,138,412.79
  4. Step 4: Simplify right side
    83,921,695,488.39x = 6,188,247,471,793,399,398,400
  5. Step 5: Solve for x
    x = 6,188,247,471,793,399,398,400/83,921,695,488.39
  6. Step 6: Final answer
    x = 73,738,351,397.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.