Home / 88,658,579.40-132,987,869.10-31,156,663.20

Finding the Fourth Proportional to 88,658,579.40, 132,987,869.10 and 31,156,663.20

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Solution

The fourth proportional to 88,658,579.40, 132,987,869.10 and 31,156,663.20 is: 46,734,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658,579.40 : 132,987,869.10 = 31,156,663.20 : x
  2. Step 2: Convert to fraction form
    88,658,579.40/132,987,869.10 = 31,156,663.20/x
  3. Step 3: Cross multiply
    88,658,579.40x = 132,987,869.10 × 31,156,663.20
  4. Step 4: Simplify right side
    88,658,579.40x = 4,143,458,247,234,387
  5. Step 5: Solve for x
    x = 4,143,458,247,234,387/88,658,579.40
  6. Step 6: Final answer
    x = 46,734,994.80

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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.