Home / 39,120,429.60-58,680,644.40-24,759,712.80

Finding the Fourth Proportional to 39,120,429.60, 58,680,644.40 and 24,759,712.80

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Solution

The fourth proportional to 39,120,429.60, 58,680,644.40 and 24,759,712.80 is: 37,139,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120,429.60 : 58,680,644.40 = 24,759,712.80 : x
  2. Step 2: Convert to fraction form
    39,120,429.60/58,680,644.40 = 24,759,712.80/x
  3. Step 3: Cross multiply
    39,120,429.60x = 58,680,644.40 × 24,759,712.80
  4. Step 4: Simplify right side
    39,120,429.60x = 1,452,915,902,262,928.25
  5. Step 5: Solve for x
    x = 1,452,915,902,262,928.25/39,120,429.60
  6. Step 6: Final answer
    x = 37,139,569.20

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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.