Home / 103,381,946,565.95-142,667,086,535.60-55,858,366,581.94

Finding the Fourth Proportional to 103,381,946,565.95, 142,667,086,535.60 and 55,858,366,581.94

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Solution

The fourth proportional to 103,381,946,565.95, 142,667,086,535.60 and 55,858,366,581.94 is: 77,084,546,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,381,946,565.95 : 142,667,086,535.60 = 55,858,366,581.94 : x
  2. Step 2: Convert to fraction form
    103,381,946,565.95/142,667,086,535.60 = 55,858,366,581.94/x
  3. Step 3: Cross multiply
    103,381,946,565.95x = 142,667,086,535.60 × 55,858,366,581.94
  4. Step 4: Simplify right side
    103,381,946,565.95x = 7,969,150,418,882,901,573,632
  5. Step 5: Solve for x
    x = 7,969,150,418,882,901,573,632/103,381,946,565.95
  6. Step 6: Final answer
    x = 77,084,546,031.44

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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.