Home / 85,217,470.20-127,826,205.30-59,141,431.80

Finding the Fourth Proportional to 85,217,470.20, 127,826,205.30 and 59,141,431.80

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Solution

The fourth proportional to 85,217,470.20, 127,826,205.30 and 59,141,431.80 is: 88,712,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217,470.20 : 127,826,205.30 = 59,141,431.80 : x
  2. Step 2: Convert to fraction form
    85,217,470.20/127,826,205.30 = 59,141,431.80/x
  3. Step 3: Cross multiply
    85,217,470.20x = 127,826,205.30 × 59,141,431.80
  4. Step 4: Simplify right side
    85,217,470.20x = 7,559,824,803,002,748
  5. Step 5: Solve for x
    x = 7,559,824,803,002,748/85,217,470.20
  6. Step 6: Final answer
    x = 88,712,147.70

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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.