Home / 89,897,122.80-134,908,669.80-57,627,500.40

Finding the Fourth Proportional to 89,897,122.80, 134,908,669.80 and 57,627,500.40

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Solution

The fourth proportional to 89,897,122.80, 134,908,669.80 and 57,627,500.40 is: 86,481,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,897,122.80 : 134,908,669.80 = 57,627,500.40 : x
  2. Step 2: Convert to fraction form
    89,897,122.80/134,908,669.80 = 57,627,500.40/x
  3. Step 3: Cross multiply
    89,897,122.80x = 134,908,669.80 × 57,627,500.40
  4. Step 4: Simplify right side
    89,897,122.80x = 7,774,449,422,862,968
  5. Step 5: Solve for x
    x = 7,774,449,422,862,968/89,897,122.80
  6. Step 6: Final answer
    x = 86,481,626.78

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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.