Home / 130,340,699.92-179,872,008.24-71,608,793.06

Finding the Fourth Proportional to 130,340,699.92, 179,872,008.24 and 71,608,793.06

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Solution

The fourth proportional to 130,340,699.92, 179,872,008.24 and 71,608,793.06 is: 98,821,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340,699.92 : 179,872,008.24 = 71,608,793.06 : x
  2. Step 2: Convert to fraction form
    130,340,699.92/179,872,008.24 = 71,608,793.06/x
  3. Step 3: Cross multiply
    130,340,699.92x = 179,872,008.24 × 71,608,793.06
  4. Step 4: Simplify right side
    130,340,699.92x = 12,880,417,415,344,776
  5. Step 5: Solve for x
    x = 12,880,417,415,344,776/130,340,699.92
  6. Step 6: Final answer
    x = 98,821,146.60

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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.