Home / 91,008,073.80-136,512,110.70-58,759,446.60

Finding the Fourth Proportional to 91,008,073.80, 136,512,110.70 and 58,759,446.60

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Solution

The fourth proportional to 91,008,073.80, 136,512,110.70 and 58,759,446.60 is: 88,139,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,073.80 : 136,512,110.70 = 58,759,446.60 : x
  2. Step 2: Convert to fraction form
    91,008,073.80/136,512,110.70 = 58,759,446.60/x
  3. Step 3: Cross multiply
    91,008,073.80x = 136,512,110.70 × 58,759,446.60
  4. Step 4: Simplify right side
    91,008,073.80x = 8,021,376,078,929,938
  5. Step 5: Solve for x
    x = 8,021,376,078,929,938/91,008,073.80
  6. Step 6: Final answer
    x = 88,139,169.90

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1.5x scale

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.