Home / 79,676,553.72-109,959,275.01-44,396,700.78

Finding the Fourth Proportional to 79,676,553.72, 109,959,275.01 and 44,396,700.78

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Solution

The fourth proportional to 79,676,553.72, 109,959,275.01 and 44,396,700.78 is: 61,270,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,676,553.72 : 109,959,275.01 = 44,396,700.78 : x
  2. Step 2: Convert to fraction form
    79,676,553.72/109,959,275.01 = 44,396,700.78/x
  3. Step 3: Cross multiply
    79,676,553.72x = 109,959,275.01 × 44,396,700.78
  4. Step 4: Simplify right side
    79,676,553.72x = 4,881,829,030,604,702
  5. Step 5: Solve for x
    x = 4,881,829,030,604,702/79,676,553.72
  6. Step 6: Final answer
    x = 61,270,584.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.