Home / 85,897,972.18-128,830,329.15-33,375,553.57

Finding the Fourth Proportional to 85,897,972.18, 128,830,329.15 and 33,375,553.57

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Solution

The fourth proportional to 85,897,972.18, 128,830,329.15 and 33,375,553.57 is: 50,056,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,897,972.18 : 128,830,329.15 = 33,375,553.57 : x
  2. Step 2: Convert to fraction form
    85,897,972.18/128,830,329.15 = 33,375,553.57/x
  3. Step 3: Cross multiply
    85,897,972.18x = 128,830,329.15 × 33,375,553.57
  4. Step 4: Simplify right side
    85,897,972.18x = 4,299,783,551,986,558
  5. Step 5: Solve for x
    x = 4,299,783,551,986,558/85,897,972.18
  6. Step 6: Final answer
    x = 50,056,869.13

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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.