Home / 88,573,625.40-132,860,438.10-86,182,140.90

Finding the Fourth Proportional to 88,573,625.40, 132,860,438.10 and 86,182,140.90

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Solution

The fourth proportional to 88,573,625.40, 132,860,438.10 and 86,182,140.90 is: 129,273,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,625.40 : 132,860,438.10 = 86,182,140.90 : x
  2. Step 2: Convert to fraction form
    88,573,625.40/132,860,438.10 = 86,182,140.90/x
  3. Step 3: Cross multiply
    88,573,625.40x = 132,860,438.10 × 86,182,140.90
  4. Step 4: Simplify right side
    88,573,625.40x = 11,450,196,996,369,928
  5. Step 5: Solve for x
    x = 11,450,196,996,369,928/88,573,625.40
  6. Step 6: Final answer
    x = 129,273,211.35

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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.