Home / 138,841,487,140.48-191,585,932,597.68-77,861,305,434.82

Finding the Fourth Proportional to 138,841,487,140.48, 191,585,932,597.68 and 77,861,305,434.82

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Solution

The fourth proportional to 138,841,487,140.48, 191,585,932,597.68 and 77,861,305,434.82 is: 107,440,010,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,841,487,140.48 : 191,585,932,597.68 = 77,861,305,434.82 : x
  2. Step 2: Convert to fraction form
    138,841,487,140.48/191,585,932,597.68 = 77,861,305,434.82/x
  3. Step 3: Cross multiply
    138,841,487,140.48x = 191,585,932,597.68 × 77,861,305,434.82
  4. Step 4: Simplify right side
    138,841,487,140.48x = 14,917,130,815,002,801,864,704
  5. Step 5: Solve for x
    x = 14,917,130,815,002,801,864,704/138,841,487,140.48
  6. Step 6: Final answer
    x = 107,440,010,347.27

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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.