Home / 88,145,385.60-132,218,078.40-74,036,611.20

Finding the Fourth Proportional to 88,145,385.60, 132,218,078.40 and 74,036,611.20

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Solution

The fourth proportional to 88,145,385.60, 132,218,078.40 and 74,036,611.20 is: 111,054,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,145,385.60 : 132,218,078.40 = 74,036,611.20 : x
  2. Step 2: Convert to fraction form
    88,145,385.60/132,218,078.40 = 74,036,611.20/x
  3. Step 3: Cross multiply
    88,145,385.60x = 132,218,078.40 × 74,036,611.20
  4. Step 4: Simplify right side
    88,145,385.60x = 9,788,978,464,111,918
  5. Step 5: Solve for x
    x = 9,788,978,464,111,918/88,145,385.60
  6. Step 6: Final answer
    x = 111,054,916.80

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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.