Home / 135,165,404.28-202,417,426.20-122,064,404.88

Finding the Fourth Proportional to 135,165,404.28, 202,417,426.20 and 122,064,404.88

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Solution

The fourth proportional to 135,165,404.28, 202,417,426.20 and 122,064,404.88 is: 182,797,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,165,404.28 : 202,417,426.20 = 122,064,404.88 : x
  2. Step 2: Convert to fraction form
    135,165,404.28/202,417,426.20 = 122,064,404.88/x
  3. Step 3: Cross multiply
    135,165,404.28x = 202,417,426.20 × 122,064,404.88
  4. Step 4: Simplify right side
    135,165,404.28x = 24,707,962,666,444,316
  5. Step 5: Solve for x
    x = 24,707,962,666,444,316/135,165,404.28
  6. Step 6: Final answer
    x = 182,797,978.51

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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.