Home / 112,424,101.20-168,636,151.80-67,074,469.20

Finding the Fourth Proportional to 112,424,101.20, 168,636,151.80 and 67,074,469.20

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Solution

The fourth proportional to 112,424,101.20, 168,636,151.80 and 67,074,469.20 is: 100,611,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,424,101.20 : 168,636,151.80 = 67,074,469.20 : x
  2. Step 2: Convert to fraction form
    112,424,101.20/168,636,151.80 = 67,074,469.20/x
  3. Step 3: Cross multiply
    112,424,101.20x = 168,636,151.80 × 67,074,469.20
  4. Step 4: Simplify right side
    112,424,101.20x = 11,311,180,369,915,626
  5. Step 5: Solve for x
    x = 11,311,180,369,915,626/112,424,101.20
  6. Step 6: Final answer
    x = 100,611,703.80

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1.5x scale

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.