Home / 130,342,268.72-179,852,335.68-75,327,500.72

Finding the Fourth Proportional to 130,342,268.72, 179,852,335.68 and 75,327,500.72

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Solution

The fourth proportional to 130,342,268.72, 179,852,335.68 and 75,327,500.72 is: 103,940,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342,268.72 : 179,852,335.68 = 75,327,500.72 : x
  2. Step 2: Convert to fraction form
    130,342,268.72/179,852,335.68 = 75,327,500.72/x
  3. Step 3: Cross multiply
    130,342,268.72x = 179,852,335.68 × 75,327,500.72
  4. Step 4: Simplify right side
    130,342,268.72x = 13,547,826,945,428,882
  5. Step 5: Solve for x
    x = 13,547,826,945,428,882/130,342,268.72
  6. Step 6: Final answer
    x = 103,940,395.38

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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.