Home / 71,909,641.65-99,209,238.30-58,911,923.39

Finding the Fourth Proportional to 71,909,641.65, 99,209,238.30 and 58,911,923.39

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Solution

The fourth proportional to 71,909,641.65, 99,209,238.30 and 58,911,923.39 is: 81,277,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,909,641.65 : 99,209,238.30 = 58,911,923.39 : x
  2. Step 2: Convert to fraction form
    71,909,641.65/99,209,238.30 = 58,911,923.39/x
  3. Step 3: Cross multiply
    71,909,641.65x = 99,209,238.30 × 58,911,923.39
  4. Step 4: Simplify right side
    71,909,641.65x = 5,844,607,046,633,434
  5. Step 5: Solve for x
    x = 5,844,607,046,633,434/71,909,641.65
  6. Step 6: Final answer
    x = 81,277,098.76

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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.