Home / 137,489,502.06-189,731,729.28-75,609,840.62

Finding the Fourth Proportional to 137,489,502.06, 189,731,729.28 and 75,609,840.62

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Solution

The fourth proportional to 137,489,502.06, 189,731,729.28 and 75,609,840.62 is: 104,339,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,489,502.06 : 189,731,729.28 = 75,609,840.62 : x
  2. Step 2: Convert to fraction form
    137,489,502.06/189,731,729.28 = 75,609,840.62/x
  3. Step 3: Cross multiply
    137,489,502.06x = 189,731,729.28 × 75,609,840.62
  4. Step 4: Simplify right side
    137,489,502.06x = 14,345,585,811,749,972
  5. Step 5: Solve for x
    x = 14,345,585,811,749,972/137,489,502.06
  6. Step 6: Final answer
    x = 104,339,499.36

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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.