Home / 90,344,637.60-124,675,362.96-49,091,531.68

Finding the Fourth Proportional to 90,344,637.60, 124,675,362.96 and 49,091,531.68

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Solution

The fourth proportional to 90,344,637.60, 124,675,362.96 and 49,091,531.68 is: 67,746,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344,637.60 : 124,675,362.96 = 49,091,531.68 : x
  2. Step 2: Convert to fraction form
    90,344,637.60/124,675,362.96 = 49,091,531.68/x
  3. Step 3: Cross multiply
    90,344,637.60x = 124,675,362.96 × 49,091,531.68
  4. Step 4: Simplify right side
    90,344,637.60x = 6,120,504,530,466,338
  5. Step 5: Solve for x
    x = 6,120,504,530,466,338/90,344,637.60
  6. Step 6: Final answer
    x = 67,746,184.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.