Home / 112,211,228.80-168,316,843.20-48,385,820.80

Finding the Fourth Proportional to 112,211,228.80, 168,316,843.20 and 48,385,820.80

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Solution

The fourth proportional to 112,211,228.80, 168,316,843.20 and 48,385,820.80 is: 72,578,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,228.80 : 168,316,843.20 = 48,385,820.80 : x
  2. Step 2: Convert to fraction form
    112,211,228.80/168,316,843.20 = 48,385,820.80/x
  3. Step 3: Cross multiply
    112,211,228.80x = 168,316,843.20 × 48,385,820.80
  4. Step 4: Simplify right side
    112,211,228.80x = 8,144,148,612,696,897
  5. Step 5: Solve for x
    x = 8,144,148,612,696,897/112,211,228.80
  6. Step 6: Final answer
    x = 72,578,731.20

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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.