Home / 137,609,918.06-189,901,632.12-75,730,256.60

Finding the Fourth Proportional to 137,609,918.06, 189,901,632.12 and 75,730,256.60

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Solution

The fourth proportional to 137,609,918.06, 189,901,632.12 and 75,730,256.60 is: 104,507,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,609,918.06 : 189,901,632.12 = 75,730,256.60 : x
  2. Step 2: Convert to fraction form
    137,609,918.06/189,901,632.12 = 75,730,256.60/x
  3. Step 3: Cross multiply
    137,609,918.06x = 189,901,632.12 × 75,730,256.60
  4. Step 4: Simplify right side
    137,609,918.06x = 14,381,299,329,206,402
  5. Step 5: Solve for x
    x = 14,381,299,329,206,402/137,609,918.06
  6. Step 6: Final answer
    x = 104,507,723.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.