Home / 150,623,564.40-225,829,058.40-68,781,650.40

Finding the Fourth Proportional to 150,623,564.40, 225,829,058.40 and 68,781,650.40

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Solution

The fourth proportional to 150,623,564.40, 225,829,058.40 and 68,781,650.40 is: 103,123,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,623,564.40 : 225,829,058.40 = 68,781,650.40 : x
  2. Step 2: Convert to fraction form
    150,623,564.40/225,829,058.40 = 68,781,650.40/x
  3. Step 3: Cross multiply
    150,623,564.40x = 225,829,058.40 × 68,781,650.40
  4. Step 4: Simplify right side
    150,623,564.40x = 15,532,895,345,029,986
  5. Step 5: Solve for x
    x = 15,532,895,345,029,986/150,623,564.40
  6. Step 6: Final answer
    x = 103,123,939.52

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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.