Home / 103,344,239.60-155,016,359.40-45,948,611.60

Finding the Fourth Proportional to 103,344,239.60, 155,016,359.40 and 45,948,611.60

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Solution

The fourth proportional to 103,344,239.60, 155,016,359.40 and 45,948,611.60 is: 68,922,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,239.60 : 155,016,359.40 = 45,948,611.60 : x
  2. Step 2: Convert to fraction form
    103,344,239.60/155,016,359.40 = 45,948,611.60/x
  3. Step 3: Cross multiply
    103,344,239.60x = 155,016,359.40 × 45,948,611.60
  4. Step 4: Simplify right side
    103,344,239.60x = 7,122,786,489,716,610
  5. Step 5: Solve for x
    x = 7,122,786,489,716,610/103,344,239.60
  6. Step 6: Final answer
    x = 68,922,917.40

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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.