Home / 130,340,698.70-179,872,006.52-71,608,791.83

Finding the Fourth Proportional to 130,340,698.70, 179,872,006.52 and 71,608,791.83

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Solution

The fourth proportional to 130,340,698.70, 179,872,006.52 and 71,608,791.83 is: 98,821,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340,698.70 : 179,872,006.52 = 71,608,791.83 : x
  2. Step 2: Convert to fraction form
    130,340,698.70/179,872,006.52 = 71,608,791.83/x
  3. Step 3: Cross multiply
    130,340,698.70x = 179,872,006.52 × 71,608,791.83
  4. Step 4: Simplify right side
    130,340,698.70x = 12,880,417,070,577,038
  5. Step 5: Solve for x
    x = 12,880,417,070,577,038/130,340,698.70
  6. Step 6: Final answer
    x = 98,821,144.88

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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.