Home / 138,810,763.27-208,216,132.26-61,087,667.23

Finding the Fourth Proportional to 138,810,763.27, 208,216,132.26 and 61,087,667.23

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Solution

The fourth proportional to 138,810,763.27, 208,216,132.26 and 61,087,667.23 is: 91,631,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,810,763.27 : 208,216,132.26 = 61,087,667.23 : x
  2. Step 2: Convert to fraction form
    138,810,763.27/208,216,132.26 = 61,087,667.23/x
  3. Step 3: Cross multiply
    138,810,763.27x = 208,216,132.26 × 61,087,667.23
  4. Step 4: Simplify right side
    138,810,763.27x = 12,719,437,799,416,546
  5. Step 5: Solve for x
    x = 12,719,437,799,416,546/138,810,763.27
  6. Step 6: Final answer
    x = 91,631,495.28

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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.