Home / 86,152,332.20-129,228,498.30-73,163,301.80

Finding the Fourth Proportional to 86,152,332.20, 129,228,498.30 and 73,163,301.80

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Solution

The fourth proportional to 86,152,332.20, 129,228,498.30 and 73,163,301.80 is: 109,744,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152,332.20 : 129,228,498.30 = 73,163,301.80 : x
  2. Step 2: Convert to fraction form
    86,152,332.20/129,228,498.30 = 73,163,301.80/x
  3. Step 3: Cross multiply
    86,152,332.20x = 129,228,498.30 × 73,163,301.80
  4. Step 4: Simplify right side
    86,152,332.20x = 9,454,783,622,283,686
  5. Step 5: Solve for x
    x = 9,454,783,622,283,686/86,152,332.20
  6. Step 6: Final answer
    x = 109,744,952.70

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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.