Home / 102,007,218,679.20-140,815,106,528.76-65,895,862,466.88

Finding the Fourth Proportional to 102,007,218,679.20, 140,815,106,528.76 and 65,895,862,466.88

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Solution

The fourth proportional to 102,007,218,679.20, 140,815,106,528.76 and 65,895,862,466.88 is: 90,965,453,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,007,218,679.20 : 140,815,106,528.76 = 65,895,862,466.88 : x
  2. Step 2: Convert to fraction form
    102,007,218,679.20/140,815,106,528.76 = 65,895,862,466.88/x
  3. Step 3: Cross multiply
    102,007,218,679.20x = 140,815,106,528.76 × 65,895,862,466.88
  4. Step 4: Simplify right side
    102,007,218,679.20x = 9,279,132,893,078,224,896,000
  5. Step 5: Solve for x
    x = 9,279,132,893,078,224,896,000/102,007,218,679.20
  6. Step 6: Final answer
    x = 90,965,453,359.33

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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.