Home / 342,105,531.62-513,205,996.70-105,774,349.10

Finding the Fourth Proportional to 342,105,531.62, 513,205,996.70 and 105,774,349.10

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Solution

The fourth proportional to 342,105,531.62, 513,205,996.70 and 105,774,349.10 is: 158,676,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,105,531.62 : 513,205,996.70 = 105,774,349.10 : x
  2. Step 2: Convert to fraction form
    342,105,531.62/513,205,996.70 = 105,774,349.10/x
  3. Step 3: Cross multiply
    342,105,531.62x = 513,205,996.70 × 105,774,349.10
  4. Step 4: Simplify right side
    342,105,531.62x = 54,284,030,252,857,648
  5. Step 5: Solve for x
    x = 54,284,030,252,857,648/342,105,531.62
  6. Step 6: Final answer
    x = 158,676,271.61

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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.