Home / 220,543,842.90-330,780,334.95-67,154,223.90

Finding the Fourth Proportional to 220,543,842.90, 330,780,334.95 and 67,154,223.90

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Solution

The fourth proportional to 220,543,842.90, 330,780,334.95 and 67,154,223.90 is: 100,720,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,543,842.90 : 330,780,334.95 = 67,154,223.90 : x
  2. Step 2: Convert to fraction form
    220,543,842.90/330,780,334.95 = 67,154,223.90/x
  3. Step 3: Cross multiply
    220,543,842.90x = 330,780,334.95 × 67,154,223.90
  4. Step 4: Simplify right side
    220,543,842.90x = 22,213,296,674,949,296
  5. Step 5: Solve for x
    x = 22,213,296,674,949,296/220,543,842.90
  6. Step 6: Final answer
    x = 100,720,547.82

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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.