Home / 105,543,867.52-145,655,913-60,873,227.41

Finding the Fourth Proportional to 105,543,867.52, 145,655,913 and 60,873,227.41

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Solution

The fourth proportional to 105,543,867.52, 145,655,913 and 60,873,227.41 is: 84,008,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,543,867.52 : 145,655,913 = 60,873,227.41 : x
  2. Step 2: Convert to fraction form
    105,543,867.52/145,655,913 = 60,873,227.41/x
  3. Step 3: Cross multiply
    105,543,867.52x = 145,655,913 × 60,873,227.41
  4. Step 4: Simplify right side
    105,543,867.52x = 8,866,545,515,660,175
  5. Step 5: Solve for x
    x = 8,866,545,515,660,175/105,543,867.52
  6. Step 6: Final answer
    x = 84,008,154.37

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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.