Home / 88,563,619.20-132,845,428.80-54,374,102.40

Finding the Fourth Proportional to 88,563,619.20, 132,845,428.80 and 54,374,102.40

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Solution

The fourth proportional to 88,563,619.20, 132,845,428.80 and 54,374,102.40 is: 81,561,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,563,619.20 : 132,845,428.80 = 54,374,102.40 : x
  2. Step 2: Convert to fraction form
    88,563,619.20/132,845,428.80 = 54,374,102.40/x
  3. Step 3: Cross multiply
    88,563,619.20x = 132,845,428.80 × 54,374,102.40
  4. Step 4: Simplify right side
    88,563,619.20x = 7,223,350,948,943,109
  5. Step 5: Solve for x
    x = 7,223,350,948,943,109/88,563,619.20
  6. Step 6: Final answer
    x = 81,561,153.60

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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.