Home / 88,131,348.15-132,113,041.43-68,689,792.95

Finding the Fourth Proportional to 88,131,348.15, 132,113,041.43 and 68,689,792.95

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Solution

The fourth proportional to 88,131,348.15, 132,113,041.43 and 68,689,792.95 is: 102,969,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131,348.15 : 132,113,041.43 = 68,689,792.95 : x
  2. Step 2: Convert to fraction form
    88,131,348.15/132,113,041.43 = 68,689,792.95/x
  3. Step 3: Cross multiply
    88,131,348.15x = 132,113,041.43 × 68,689,792.95
  4. Step 4: Simplify right side
    88,131,348.15x = 9,074,817,461,478,024
  5. Step 5: Solve for x
    x = 9,074,817,461,478,024/88,131,348.15
  6. Step 6: Final answer
    x = 102,969,234.58

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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.