Home / 112,331,128.20-168,496,692.30-63,790,225.80

Finding the Fourth Proportional to 112,331,128.20, 168,496,692.30 and 63,790,225.80

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Solution

The fourth proportional to 112,331,128.20, 168,496,692.30 and 63,790,225.80 is: 95,685,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,128.20 : 168,496,692.30 = 63,790,225.80 : x
  2. Step 2: Convert to fraction form
    112,331,128.20/168,496,692.30 = 63,790,225.80/x
  3. Step 3: Cross multiply
    112,331,128.20x = 168,496,692.30 × 63,790,225.80
  4. Step 4: Simplify right side
    112,331,128.20x = 10,748,442,048,370,122
  5. Step 5: Solve for x
    x = 10,748,442,048,370,122/112,331,128.20
  6. Step 6: Final answer
    x = 95,685,338.70

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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.