Home / 54,128,543.70-81,192,815.55-25,430,729.70

Finding the Fourth Proportional to 54,128,543.70, 81,192,815.55 and 25,430,729.70

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Solution

The fourth proportional to 54,128,543.70, 81,192,815.55 and 25,430,729.70 is: 38,146,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,543.70 : 81,192,815.55 = 25,430,729.70 : x
  2. Step 2: Convert to fraction form
    54,128,543.70/81,192,815.55 = 25,430,729.70/x
  3. Step 3: Cross multiply
    54,128,543.70x = 81,192,815.55 × 25,430,729.70
  4. Step 4: Simplify right side
    54,128,543.70x = 2,064,792,545,834,006.75
  5. Step 5: Solve for x
    x = 2,064,792,545,834,006.75/54,128,543.70
  6. Step 6: Final answer
    x = 38,146,094.55

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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.