Home / 155,416,005.20-233,061,022.20-53,127,390.80

Finding the Fourth Proportional to 155,416,005.20, 233,061,022.20 and 53,127,390.80

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Solution

The fourth proportional to 155,416,005.20, 233,061,022.20 and 53,127,390.80 is: 79,669,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,416,005.20 : 233,061,022.20 = 53,127,390.80 : x
  2. Step 2: Convert to fraction form
    155,416,005.20/233,061,022.20 = 53,127,390.80/x
  3. Step 3: Cross multiply
    155,416,005.20x = 233,061,022.20 × 53,127,390.80
  4. Step 4: Simplify right side
    155,416,005.20x = 12,381,924,006,666,874
  5. Step 5: Solve for x
    x = 12,381,924,006,666,874/155,416,005.20
  6. Step 6: Final answer
    x = 79,669,555.21

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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.