Home / 94,512,085.60-141,768,128.40-80,403,311.20

Finding the Fourth Proportional to 94,512,085.60, 141,768,128.40 and 80,403,311.20

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Solution

The fourth proportional to 94,512,085.60, 141,768,128.40 and 80,403,311.20 is: 120,604,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,512,085.60 : 141,768,128.40 = 80,403,311.20 : x
  2. Step 2: Convert to fraction form
    94,512,085.60/141,768,128.40 = 80,403,311.20/x
  3. Step 3: Cross multiply
    94,512,085.60x = 141,768,128.40 × 80,403,311.20
  4. Step 4: Simplify right side
    94,512,085.60x = 11,398,626,945,986,758
  5. Step 5: Solve for x
    x = 11,398,626,945,986,758/94,512,085.60
  6. Step 6: Final answer
    x = 120,604,966.80

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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.