Home / 28,165,961,818.60-42,248,942,727.90-8,534,106,125.80

Finding the Fourth Proportional to 28,165,961,818.60, 42,248,942,727.90 and 8,534,106,125.80

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Solution

The fourth proportional to 28,165,961,818.60, 42,248,942,727.90 and 8,534,106,125.80 is: 12,801,159,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165,961,818.60 : 42,248,942,727.90 = 8,534,106,125.80 : x
  2. Step 2: Convert to fraction form
    28,165,961,818.60/42,248,942,727.90 = 8,534,106,125.80/x
  3. Step 3: Cross multiply
    28,165,961,818.60x = 42,248,942,727.90 × 8,534,106,125.80
  4. Step 4: Simplify right side
    28,165,961,818.60x = 360,556,960,942,744,797,184
  5. Step 5: Solve for x
    x = 360,556,960,942,744,797,184/28,165,961,818.60
  6. Step 6: Final answer
    x = 12,801,159,188.70

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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.