Home / 53,263,029.50-79,917,560.67-28,642,179.13

Finding the Fourth Proportional to 53,263,029.50, 79,917,560.67 and 28,642,179.13

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Solution

The fourth proportional to 53,263,029.50, 79,917,560.67 and 28,642,179.13 is: 42,975,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,263,029.50 : 79,917,560.67 = 28,642,179.13 : x
  2. Step 2: Convert to fraction form
    53,263,029.50/79,917,560.67 = 28,642,179.13/x
  3. Step 3: Cross multiply
    53,263,029.50x = 79,917,560.67 × 28,642,179.13
  4. Step 4: Simplify right side
    53,263,029.50x = 2,289,013,088,250,397
  5. Step 5: Solve for x
    x = 2,289,013,088,250,397/53,263,029.50
  6. Step 6: Final answer
    x = 42,975,645.77

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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.