Home / 143,940,347.28-215,567,295.36-91,961,432.24

Finding the Fourth Proportional to 143,940,347.28, 215,567,295.36 and 91,961,432.24

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Solution

The fourth proportional to 143,940,347.28, 215,567,295.36 and 91,961,432.24 is: 137,722,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940,347.28 : 215,567,295.36 = 91,961,432.24 : x
  2. Step 2: Convert to fraction form
    143,940,347.28/215,567,295.36 = 91,961,432.24/x
  3. Step 3: Cross multiply
    143,940,347.28x = 215,567,295.36 × 91,961,432.24
  4. Step 4: Simplify right side
    143,940,347.28x = 19,823,877,225,408,708
  5. Step 5: Solve for x
    x = 19,823,877,225,408,708/143,940,347.28
  6. Step 6: Final answer
    x = 137,722,866.45

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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.