Home / 89,836,126.12-134,754,202.14-21,678,818.14

Finding the Fourth Proportional to 89,836,126.12, 134,754,202.14 and 21,678,818.14

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Solution

The fourth proportional to 89,836,126.12, 134,754,202.14 and 21,678,818.14 is: 32,518,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836,126.12 : 134,754,202.14 = 21,678,818.14 : x
  2. Step 2: Convert to fraction form
    89,836,126.12/134,754,202.14 = 21,678,818.14/x
  3. Step 3: Cross multiply
    89,836,126.12x = 134,754,202.14 × 21,678,818.14
  4. Step 4: Simplify right side
    89,836,126.12x = 2,921,311,841,793,858.50
  5. Step 5: Solve for x
    x = 2,921,311,841,793,858.50/89,836,126.12
  6. Step 6: Final answer
    x = 32,518,230.34

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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.