Home / 117,335,815.20-176,083,438.95-65,520,317.70

Finding the Fourth Proportional to 117,335,815.20, 176,083,438.95 and 65,520,317.70

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Solution

The fourth proportional to 117,335,815.20, 176,083,438.95 and 65,520,317.70 is: 98,324,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,335,815.20 : 176,083,438.95 = 65,520,317.70 : x
  2. Step 2: Convert to fraction form
    117,335,815.20/176,083,438.95 = 65,520,317.70/x
  3. Step 3: Cross multiply
    117,335,815.20x = 176,083,438.95 × 65,520,317.70
  4. Step 4: Simplify right side
    117,335,815.20x = 11,537,042,861,712,554
  5. Step 5: Solve for x
    x = 11,537,042,861,712,554/117,335,815.20
  6. Step 6: Final answer
    x = 98,324,990.05

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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.