Home / 86,060,851.20-129,129,308.07-45,110,498.91

Finding the Fourth Proportional to 86,060,851.20, 129,129,308.07 and 45,110,498.91

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Solution

The fourth proportional to 86,060,851.20, 129,129,308.07 and 45,110,498.91 is: 67,685,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060,851.20 : 129,129,308.07 = 45,110,498.91 : x
  2. Step 2: Convert to fraction form
    86,060,851.20/129,129,308.07 = 45,110,498.91/x
  3. Step 3: Cross multiply
    86,060,851.20x = 129,129,308.07 × 45,110,498.91
  4. Step 4: Simplify right side
    86,060,851.20x = 5,825,087,510,940,788
  5. Step 5: Solve for x
    x = 5,825,087,510,940,788/86,060,851.20
  6. Step 6: Final answer
    x = 67,685,683.21

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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.