Home / 75,204,447.60-112,806,671.40-49,639,477.20

Finding the Fourth Proportional to 75,204,447.60, 112,806,671.40 and 49,639,477.20

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Solution

The fourth proportional to 75,204,447.60, 112,806,671.40 and 49,639,477.20 is: 74,459,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204,447.60 : 112,806,671.40 = 49,639,477.20 : x
  2. Step 2: Convert to fraction form
    75,204,447.60/112,806,671.40 = 49,639,477.20/x
  3. Step 3: Cross multiply
    75,204,447.60x = 112,806,671.40 × 49,639,477.20
  4. Step 4: Simplify right side
    75,204,447.60x = 5,599,664,192,968,193
  5. Step 5: Solve for x
    x = 5,599,664,192,968,193/75,204,447.60
  6. Step 6: Final answer
    x = 74,459,215.80

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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.