Home / 86,016,381.18-129,088,828.32-58,284,543.54

Finding the Fourth Proportional to 86,016,381.18, 129,088,828.32 and 58,284,543.54

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Solution

The fourth proportional to 86,016,381.18, 129,088,828.32 and 58,284,543.54 is: 87,470,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,381.18 : 129,088,828.32 = 58,284,543.54 : x
  2. Step 2: Convert to fraction form
    86,016,381.18/129,088,828.32 = 58,284,543.54/x
  3. Step 3: Cross multiply
    86,016,381.18x = 129,088,828.32 × 58,284,543.54
  4. Step 4: Simplify right side
    86,016,381.18x = 7,523,883,434,744,625
  5. Step 5: Solve for x
    x = 7,523,883,434,744,625/86,016,381.18
  6. Step 6: Final answer
    x = 87,470,355.43

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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.