Home / 145,103,156.19-217,439,498.55-106,576,340.90

Finding the Fourth Proportional to 145,103,156.19, 217,439,498.55 and 106,576,340.90

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Solution

The fourth proportional to 145,103,156.19, 217,439,498.55 and 106,576,340.90 is: 159,706,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,103,156.19 : 217,439,498.55 = 106,576,340.90 : x
  2. Step 2: Convert to fraction form
    145,103,156.19/217,439,498.55 = 106,576,340.90/x
  3. Step 3: Cross multiply
    145,103,156.19x = 217,439,498.55 × 106,576,340.90
  4. Step 4: Simplify right side
    145,103,156.19x = 23,173,906,121,902,320
  5. Step 5: Solve for x
    x = 23,173,906,121,902,320/145,103,156.19
  6. Step 6: Final answer
    x = 159,706,423.56

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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.