Home / 103,899,990.83-155,874,240.07-30,125,313.95

Finding the Fourth Proportional to 103,899,990.83, 155,874,240.07 and 30,125,313.95

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Solution

The fourth proportional to 103,899,990.83, 155,874,240.07 and 30,125,313.95 is: 45,195,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,899,990.83 : 155,874,240.07 = 30,125,313.95 : x
  2. Step 2: Convert to fraction form
    103,899,990.83/155,874,240.07 = 30,125,313.95/x
  3. Step 3: Cross multiply
    103,899,990.83x = 155,874,240.07 × 30,125,313.95
  4. Step 4: Simplify right side
    103,899,990.83x = 4,695,760,417,971,735
  5. Step 5: Solve for x
    x = 4,695,760,417,971,735/103,899,990.83
  6. Step 6: Final answer
    x = 45,195,003.20

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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.