Home / 85,359,715.12-117,799,261.95-52,313,578.55

Finding the Fourth Proportional to 85,359,715.12, 117,799,261.95 and 52,313,578.55

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Solution

The fourth proportional to 85,359,715.12, 117,799,261.95 and 52,313,578.55 is: 72,194,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359,715.12 : 117,799,261.95 = 52,313,578.55 : x
  2. Step 2: Convert to fraction form
    85,359,715.12/117,799,261.95 = 52,313,578.55/x
  3. Step 3: Cross multiply
    85,359,715.12x = 117,799,261.95 × 52,313,578.55
  4. Step 4: Simplify right side
    85,359,715.12x = 6,162,500,943,055,277
  5. Step 5: Solve for x
    x = 6,162,500,943,055,277/85,359,715.12
  6. Step 6: Final answer
    x = 72,194,488.17

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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.