Home / 130,289,062.92-179,798,434.89-71,555,530.38

Finding the Fourth Proportional to 130,289,062.92, 179,798,434.89 and 71,555,530.38

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Solution

The fourth proportional to 130,289,062.92, 179,798,434.89 and 71,555,530.38 is: 98,746,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289,062.92 : 179,798,434.89 = 71,555,530.38 : x
  2. Step 2: Convert to fraction form
    130,289,062.92/179,798,434.89 = 71,555,530.38/x
  3. Step 3: Cross multiply
    130,289,062.92x = 179,798,434.89 × 71,555,530.38
  4. Step 4: Simplify right side
    130,289,062.92x = 12,865,572,370,047,846
  5. Step 5: Solve for x
    x = 12,865,572,370,047,846/130,289,062.92
  6. Step 6: Final answer
    x = 98,746,372.73

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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.