Home / 238,086,008.40-357,130,273.77-74,310,049.38

Finding the Fourth Proportional to 238,086,008.40, 357,130,273.77 and 74,310,049.38

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Solution

The fourth proportional to 238,086,008.40, 357,130,273.77 and 74,310,049.38 is: 111,465,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,086,008.40 : 357,130,273.77 = 74,310,049.38 : x
  2. Step 2: Convert to fraction form
    238,086,008.40/357,130,273.77 = 74,310,049.38/x
  3. Step 3: Cross multiply
    238,086,008.40x = 357,130,273.77 × 74,310,049.38
  4. Step 4: Simplify right side
    238,086,008.40x = 26,538,368,278,941,616
  5. Step 5: Solve for x
    x = 26,538,368,278,941,616/238,086,008.40
  6. Step 6: Final answer
    x = 111,465,467.70

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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.