Home / 123,894,257.60-185,841,386.40-103,738,865.60

Finding the Fourth Proportional to 123,894,257.60, 185,841,386.40 and 103,738,865.60

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Solution

The fourth proportional to 123,894,257.60, 185,841,386.40 and 103,738,865.60 is: 155,608,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,894,257.60 : 185,841,386.40 = 103,738,865.60 : x
  2. Step 2: Convert to fraction form
    123,894,257.60/185,841,386.40 = 103,738,865.60/x
  3. Step 3: Cross multiply
    123,894,257.60x = 185,841,386.40 × 103,738,865.60
  4. Step 4: Simplify right side
    123,894,257.60x = 19,278,974,606,667,268
  5. Step 5: Solve for x
    x = 19,278,974,606,667,268/123,894,257.60
  6. Step 6: Final answer
    x = 155,608,298.40

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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.