Home / 130,488,041.87-180,079,963.47-80,944,380.83

Finding the Fourth Proportional to 130,488,041.87, 180,079,963.47 and 80,944,380.83

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Solution

The fourth proportional to 130,488,041.87, 180,079,963.47 and 80,944,380.83 is: 111,707,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,488,041.87 : 180,079,963.47 = 80,944,380.83 : x
  2. Step 2: Convert to fraction form
    130,488,041.87/180,079,963.47 = 80,944,380.83/x
  3. Step 3: Cross multiply
    130,488,041.87x = 180,079,963.47 × 80,944,380.83
  4. Step 4: Simplify right side
    130,488,041.87x = 14,576,461,142,067,768
  5. Step 5: Solve for x
    x = 14,576,461,142,067,768/130,488,041.87
  6. Step 6: Final answer
    x = 111,707,256.34

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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.