Home / 86,357,964.74-129,572,751.27-37,810,760.90

Finding the Fourth Proportional to 86,357,964.74, 129,572,751.27 and 37,810,760.90

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Solution

The fourth proportional to 86,357,964.74, 129,572,751.27 and 37,810,760.90 is: 56,731,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,357,964.74 : 129,572,751.27 = 37,810,760.90 : x
  2. Step 2: Convert to fraction form
    86,357,964.74/129,572,751.27 = 37,810,760.90/x
  3. Step 3: Cross multiply
    86,357,964.74x = 129,572,751.27 × 37,810,760.90
  4. Step 4: Simplify right side
    86,357,964.74x = 4,899,244,317,425,141
  5. Step 5: Solve for x
    x = 4,899,244,317,425,141/86,357,964.74
  6. Step 6: Final answer
    x = 56,731,817.76

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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.