Home / 86,016,848.20-129,025,272.30-38,241,104.20

Finding the Fourth Proportional to 86,016,848.20, 129,025,272.30 and 38,241,104.20

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Solution

The fourth proportional to 86,016,848.20, 129,025,272.30 and 38,241,104.20 is: 57,361,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,848.20 : 129,025,272.30 = 38,241,104.20 : x
  2. Step 2: Convert to fraction form
    86,016,848.20/129,025,272.30 = 38,241,104.20/x
  3. Step 3: Cross multiply
    86,016,848.20x = 129,025,272.30 × 38,241,104.20
  4. Step 4: Simplify right side
    86,016,848.20x = 4,934,068,882,457,674
  5. Step 5: Solve for x
    x = 4,934,068,882,457,674/86,016,848.20
  6. Step 6: Final answer
    x = 57,361,656.30

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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.