Home / 138,967,926.87-208,444,548.75-45,582,597.33

Finding the Fourth Proportional to 138,967,926.87, 208,444,548.75 and 45,582,597.33

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Solution

The fourth proportional to 138,967,926.87, 208,444,548.75 and 45,582,597.33 is: 68,371,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,967,926.87 : 208,444,548.75 = 45,582,597.33 : x
  2. Step 2: Convert to fraction form
    138,967,926.87/208,444,548.75 = 45,582,597.33/x
  3. Step 3: Cross multiply
    138,967,926.87x = 208,444,548.75 × 45,582,597.33
  4. Step 4: Simplify right side
    138,967,926.87x = 9,501,443,931,304,804
  5. Step 5: Solve for x
    x = 9,501,443,931,304,804/138,967,926.87
  6. Step 6: Final answer
    x = 68,371,487.91

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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.