Home / 117,954,384.30-162,777,806.01-65,746,730.43

Finding the Fourth Proportional to 117,954,384.30, 162,777,806.01 and 65,746,730.43

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Solution

The fourth proportional to 117,954,384.30, 162,777,806.01 and 65,746,730.43 is: 90,730,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,384.30 : 162,777,806.01 = 65,746,730.43 : x
  2. Step 2: Convert to fraction form
    117,954,384.30/162,777,806.01 = 65,746,730.43/x
  3. Step 3: Cross multiply
    117,954,384.30x = 162,777,806.01 × 65,746,730.43
  4. Step 4: Simplify right side
    117,954,384.30x = 10,702,108,531,726,304
  5. Step 5: Solve for x
    x = 10,702,108,531,726,304/117,954,384.30
  6. Step 6: Final answer
    x = 90,730,909.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.