Home / 123,936,227.90-185,864,206.95-40,919,331.08

Finding the Fourth Proportional to 123,936,227.90, 185,864,206.95 and 40,919,331.08

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Solution

The fourth proportional to 123,936,227.90, 185,864,206.95 and 40,919,331.08 is: 61,365,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,936,227.90 : 185,864,206.95 = 40,919,331.08 : x
  2. Step 2: Convert to fraction form
    123,936,227.90/185,864,206.95 = 40,919,331.08/x
  3. Step 3: Cross multiply
    123,936,227.90x = 185,864,206.95 × 40,919,331.08
  4. Step 4: Simplify right side
    123,936,227.90x = 7,605,439,020,573,348
  5. Step 5: Solve for x
    x = 7,605,439,020,573,348/123,936,227.90
  6. Step 6: Final answer
    x = 61,365,745.51

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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.