Home / 91,034,232.40-136,551,348.60-90,396,503.20

Finding the Fourth Proportional to 91,034,232.40, 136,551,348.60 and 90,396,503.20

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Solution

The fourth proportional to 91,034,232.40, 136,551,348.60 and 90,396,503.20 is: 135,594,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034,232.40 : 136,551,348.60 = 90,396,503.20 : x
  2. Step 2: Convert to fraction form
    91,034,232.40/136,551,348.60 = 90,396,503.20/x
  3. Step 3: Cross multiply
    91,034,232.40x = 136,551,348.60 × 90,396,503.20
  4. Step 4: Simplify right side
    91,034,232.40x = 12,343,764,420,684,216
  5. Step 5: Solve for x
    x = 12,343,764,420,684,216/91,034,232.40
  6. Step 6: Final answer
    x = 135,594,754.80

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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.