Home / 90,813,341.40-136,220,012.10-49,998,672.60

Finding the Fourth Proportional to 90,813,341.40, 136,220,012.10 and 49,998,672.60

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Solution

The fourth proportional to 90,813,341.40, 136,220,012.10 and 49,998,672.60 is: 74,998,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813,341.40 : 136,220,012.10 = 49,998,672.60 : x
  2. Step 2: Convert to fraction form
    90,813,341.40/136,220,012.10 = 49,998,672.60/x
  3. Step 3: Cross multiply
    90,813,341.40x = 136,220,012.10 × 49,998,672.60
  4. Step 4: Simplify right side
    90,813,341.40x = 6,810,819,786,555,938
  5. Step 5: Solve for x
    x = 6,810,819,786,555,938/90,813,341.40
  6. Step 6: Final answer
    x = 74,998,008.90

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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.