Home / 103,344,292.10-155,016,438.15-45,948,664.10

Finding the Fourth Proportional to 103,344,292.10, 155,016,438.15 and 45,948,664.10

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Solution

The fourth proportional to 103,344,292.10, 155,016,438.15 and 45,948,664.10 is: 68,922,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,292.10 : 155,016,438.15 = 45,948,664.10 : x
  2. Step 2: Convert to fraction form
    103,344,292.10/155,016,438.15 = 45,948,664.10/x
  3. Step 3: Cross multiply
    103,344,292.10x = 155,016,438.15 × 45,948,664.10
  4. Step 4: Simplify right side
    103,344,292.10x = 7,122,798,246,532,776
  5. Step 5: Solve for x
    x = 7,122,798,246,532,776/103,344,292.10
  6. Step 6: Final answer
    x = 68,922,996.15

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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.