Home / 321,941,330.90-482,974,981.95-137,708,450.90

Finding the Fourth Proportional to 321,941,330.90, 482,974,981.95 and 137,708,450.90

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Solution

The fourth proportional to 321,941,330.90, 482,974,981.95 and 137,708,450.90 is: 206,589,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,941,330.90 : 482,974,981.95 = 137,708,450.90 : x
  2. Step 2: Convert to fraction form
    321,941,330.90/482,974,981.95 = 137,708,450.90/x
  3. Step 3: Cross multiply
    321,941,330.90x = 482,974,981.95 × 137,708,450.90
  4. Step 4: Simplify right side
    321,941,330.90x = 66,509,736,587,789,960
  5. Step 5: Solve for x
    x = 66,509,736,587,789,960/321,941,330.90
  6. Step 6: Final answer
    x = 206,589,618.06

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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.