Home / 148,479,515.13-204,906,390.48-85,754,447.85

Finding the Fourth Proportional to 148,479,515.13, 204,906,390.48 and 85,754,447.85

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Solution

The fourth proportional to 148,479,515.13, 204,906,390.48 and 85,754,447.85 is: 118,343,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,479,515.13 : 204,906,390.48 = 85,754,447.85 : x
  2. Step 2: Convert to fraction form
    148,479,515.13/204,906,390.48 = 85,754,447.85/x
  3. Step 3: Cross multiply
    148,479,515.13x = 204,906,390.48 × 85,754,447.85
  4. Step 4: Simplify right side
    148,479,515.13x = 17,571,634,376,548,894
  5. Step 5: Solve for x
    x = 17,571,634,376,548,894/148,479,515.13
  6. Step 6: Final answer
    x = 118,343,829.19

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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.