Home / 103,344,171.60-155,016,257.40-45,948,543.60

Finding the Fourth Proportional to 103,344,171.60, 155,016,257.40 and 45,948,543.60

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Solution

The fourth proportional to 103,344,171.60, 155,016,257.40 and 45,948,543.60 is: 68,922,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,171.60 : 155,016,257.40 = 45,948,543.60 : x
  2. Step 2: Convert to fraction form
    103,344,171.60/155,016,257.40 = 45,948,543.60/x
  3. Step 3: Cross multiply
    103,344,171.60x = 155,016,257.40 × 45,948,543.60
  4. Step 4: Simplify right side
    103,344,171.60x = 7,122,771,261,852,723
  5. Step 5: Solve for x
    x = 7,122,771,261,852,723/103,344,171.60
  6. Step 6: Final answer
    x = 68,922,815.40

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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.