Home / 89,960,754.78-134,941,132.11-21,803,446.53

Finding the Fourth Proportional to 89,960,754.78, 134,941,132.11 and 21,803,446.53

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Solution

The fourth proportional to 89,960,754.78, 134,941,132.11 and 21,803,446.53 is: 32,705,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,960,754.78 : 134,941,132.11 = 21,803,446.53 : x
  2. Step 2: Convert to fraction form
    89,960,754.78/134,941,132.11 = 21,803,446.53/x
  3. Step 3: Cross multiply
    89,960,754.78x = 134,941,132.11 × 21,803,446.53
  4. Step 4: Simplify right side
    89,960,754.78x = 2,942,181,758,658,051.50
  5. Step 5: Solve for x
    x = 2,942,181,758,658,051.50/89,960,754.78
  6. Step 6: Final answer
    x = 32,705,169.78

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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.