Home / 90,252,729.47-124,665,598.12-74,634,838.94

Finding the Fourth Proportional to 90,252,729.47, 124,665,598.12 and 74,634,838.94

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Solution

The fourth proportional to 90,252,729.47, 124,665,598.12 and 74,634,838.94 is: 103,092,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252,729.47 : 124,665,598.12 = 74,634,838.94 : x
  2. Step 2: Convert to fraction form
    90,252,729.47/124,665,598.12 = 74,634,838.94/x
  3. Step 3: Cross multiply
    90,252,729.47x = 124,665,598.12 × 74,634,838.94
  4. Step 4: Simplify right side
    90,252,729.47x = 9,304,396,837,044,966
  5. Step 5: Solve for x
    x = 9,304,396,837,044,966/90,252,729.47
  6. Step 6: Final answer
    x = 103,092,691.95

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1.5x scale

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.