Home / 154,433,098.80-231,680,752.20-45,258,058.80

Finding the Fourth Proportional to 154,433,098.80, 231,680,752.20 and 45,258,058.80

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Solution

The fourth proportional to 154,433,098.80, 231,680,752.20 and 45,258,058.80 is: 67,896,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,433,098.80 : 231,680,752.20 = 45,258,058.80 : x
  2. Step 2: Convert to fraction form
    154,433,098.80/231,680,752.20 = 45,258,058.80/x
  3. Step 3: Cross multiply
    154,433,098.80x = 231,680,752.20 × 45,258,058.80
  4. Step 4: Simplify right side
    154,433,098.80x = 10,485,421,105,895,828
  5. Step 5: Solve for x
    x = 10,485,421,105,895,828/154,433,098.80
  6. Step 6: Final answer
    x = 67,896,203.52

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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.