Home / 75,466,404.10-104,143,011.68-42,426,800.56

Finding the Fourth Proportional to 75,466,404.10, 104,143,011.68 and 42,426,800.56

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Solution

The fourth proportional to 75,466,404.10, 104,143,011.68 and 42,426,800.56 is: 58,548,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466,404.10 : 104,143,011.68 = 42,426,800.56 : x
  2. Step 2: Convert to fraction form
    75,466,404.10/104,143,011.68 = 42,426,800.56/x
  3. Step 3: Cross multiply
    75,466,404.10x = 104,143,011.68 × 42,426,800.56
  4. Step 4: Simplify right side
    75,466,404.10x = 4,418,454,785,532,261.50
  5. Step 5: Solve for x
    x = 4,418,454,785,532,261.50/75,466,404.10
  6. Step 6: Final answer
    x = 58,548,632.85

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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.