Home / 268,864,331.34-371,044,228.38-149,786,856.03

Finding the Fourth Proportional to 268,864,331.34, 371,044,228.38 and 149,786,856.03

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Solution

The fourth proportional to 268,864,331.34, 371,044,228.38 and 149,786,856.03 is: 206,712,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,864,331.34 : 371,044,228.38 = 149,786,856.03 : x
  2. Step 2: Convert to fraction form
    268,864,331.34/371,044,228.38 = 149,786,856.03/x
  3. Step 3: Cross multiply
    268,864,331.34x = 371,044,228.38 × 149,786,856.03
  4. Step 4: Simplify right side
    268,864,331.34x = 55,577,548,417,117,496
  5. Step 5: Solve for x
    x = 55,577,548,417,117,496/268,864,331.34
  6. Step 6: Final answer
    x = 206,712,240.85

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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.