Home / 138,077,543.14-190,551,049.22-75,357,663.87

Finding the Fourth Proportional to 138,077,543.14, 190,551,049.22 and 75,357,663.87

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Solution

The fourth proportional to 138,077,543.14, 190,551,049.22 and 75,357,663.87 is: 103,995,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,543.14 : 190,551,049.22 = 75,357,663.87 : x
  2. Step 2: Convert to fraction form
    138,077,543.14/190,551,049.22 = 75,357,663.87/x
  3. Step 3: Cross multiply
    138,077,543.14x = 190,551,049.22 × 75,357,663.87
  4. Step 4: Simplify right side
    138,077,543.14x = 14,359,481,917,196,586
  5. Step 5: Solve for x
    x = 14,359,481,917,196,586/138,077,543.14
  6. Step 6: Final answer
    x = 103,995,780.85

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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.