Home / 86,060,854.20-129,129,312.58-45,110,501.92

Finding the Fourth Proportional to 86,060,854.20, 129,129,312.58 and 45,110,501.92

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Solution

The fourth proportional to 86,060,854.20, 129,129,312.58 and 45,110,501.92 is: 67,685,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060,854.20 : 129,129,312.58 = 45,110,501.92 : x
  2. Step 2: Convert to fraction form
    86,060,854.20/129,129,312.58 = 45,110,501.92/x
  3. Step 3: Cross multiply
    86,060,854.20x = 129,129,312.58 × 45,110,501.92
  4. Step 4: Simplify right side
    86,060,854.20x = 5,825,088,103,068,370
  5. Step 5: Solve for x
    x = 5,825,088,103,068,370/86,060,854.20
  6. Step 6: Final answer
    x = 67,685,687.73

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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.