Home / 109,732,012.80-164,275,134.84-73,249,917.36

Finding the Fourth Proportional to 109,732,012.80, 164,275,134.84 and 73,249,917.36

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Solution

The fourth proportional to 109,732,012.80, 164,275,134.84 and 73,249,917.36 is: 109,659,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,732,012.80 : 164,275,134.84 = 73,249,917.36 : x
  2. Step 2: Convert to fraction form
    109,732,012.80/164,275,134.84 = 73,249,917.36/x
  3. Step 3: Cross multiply
    109,732,012.80x = 164,275,134.84 × 73,249,917.36
  4. Step 4: Simplify right side
    109,732,012.80x = 12,033,140,051,332,856
  5. Step 5: Solve for x
    x = 12,033,140,051,332,856/109,732,012.80
  6. Step 6: Final answer
    x = 109,659,339.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.