Home / 89,423,133.38-134,134,682.79-38,271,983.30

Finding the Fourth Proportional to 89,423,133.38, 134,134,682.79 and 38,271,983.30

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Solution

The fourth proportional to 89,423,133.38, 134,134,682.79 and 38,271,983.30 is: 57,407,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,423,133.38 : 134,134,682.79 = 38,271,983.30 : x
  2. Step 2: Convert to fraction form
    89,423,133.38/134,134,682.79 = 38,271,983.30/x
  3. Step 3: Cross multiply
    89,423,133.38x = 134,134,682.79 × 38,271,983.30
  4. Step 4: Simplify right side
    89,423,133.38x = 5,133,600,339,689,677
  5. Step 5: Solve for x
    x = 5,133,600,339,689,677/89,423,133.38
  6. Step 6: Final answer
    x = 57,407,967.55

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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.