Home / 191,253,751.71-263,928,959.06-108,747,543.75

Finding the Fourth Proportional to 191,253,751.71, 263,928,959.06 and 108,747,543.75

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Solution

The fourth proportional to 191,253,751.71, 263,928,959.06 and 108,747,543.75 is: 150,070,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,253,751.71 : 263,928,959.06 = 108,747,543.75 : x
  2. Step 2: Convert to fraction form
    191,253,751.71/263,928,959.06 = 108,747,543.75/x
  3. Step 3: Cross multiply
    191,253,751.71x = 263,928,959.06 × 108,747,543.75
  4. Step 4: Simplify right side
    191,253,751.71x = 28,701,626,021,725,572
  5. Step 5: Solve for x
    x = 28,701,626,021,725,572/191,253,751.71
  6. Step 6: Final answer
    x = 150,070,917.64

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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.