Home / 103,856,479.20-155,784,718.80-50,108,767.20

Finding the Fourth Proportional to 103,856,479.20, 155,784,718.80 and 50,108,767.20

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Solution

The fourth proportional to 103,856,479.20, 155,784,718.80 and 50,108,767.20 is: 75,163,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,856,479.20 : 155,784,718.80 = 50,108,767.20 : x
  2. Step 2: Convert to fraction form
    103,856,479.20/155,784,718.80 = 50,108,767.20/x
  3. Step 3: Cross multiply
    103,856,479.20x = 155,784,718.80 × 50,108,767.20
  4. Step 4: Simplify right side
    103,856,479.20x = 7,806,180,207,666,664
  5. Step 5: Solve for x
    x = 7,806,180,207,666,664/103,856,479.20
  6. Step 6: Final answer
    x = 75,163,150.80

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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.