Home / 61,248,329.59-91,885,946.87-18,114,170.21

Finding the Fourth Proportional to 61,248,329.59, 91,885,946.87 and 18,114,170.21

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Solution

The fourth proportional to 61,248,329.59, 91,885,946.87 and 18,114,170.21 is: 27,175,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248,329.59 : 91,885,946.87 = 18,114,170.21 : x
  2. Step 2: Convert to fraction form
    61,248,329.59/91,885,946.87 = 18,114,170.21/x
  3. Step 3: Cross multiply
    61,248,329.59x = 91,885,946.87 × 18,114,170.21
  4. Step 4: Simplify right side
    61,248,329.59x = 1,664,437,681,510,197
  5. Step 5: Solve for x
    x = 1,664,437,681,510,197/61,248,329.59
  6. Step 6: Final answer
    x = 27,175,233.88

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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.