Home / 130,902,317.43-180,646,589.98-72,167,084.29

Finding the Fourth Proportional to 130,902,317.43, 180,646,589.98 and 72,167,084.29

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Solution

The fourth proportional to 130,902,317.43, 180,646,589.98 and 72,167,084.29 is: 99,591,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,902,317.43 : 180,646,589.98 = 72,167,084.29 : x
  2. Step 2: Convert to fraction form
    130,902,317.43/180,646,589.98 = 72,167,084.29/x
  3. Step 3: Cross multiply
    130,902,317.43x = 180,646,589.98 × 72,167,084.29
  4. Step 4: Simplify right side
    130,902,317.43x = 13,036,737,686,103,746
  5. Step 5: Solve for x
    x = 13,036,737,686,103,746/130,902,317.43
  6. Step 6: Final answer
    x = 99,591,343.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.