Home / 298,752,001.80-448,128,002.70-71,817,217.80

Finding the Fourth Proportional to 298,752,001.80, 448,128,002.70 and 71,817,217.80

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Solution

The fourth proportional to 298,752,001.80, 448,128,002.70 and 71,817,217.80 is: 107,725,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,752,001.80 : 448,128,002.70 = 71,817,217.80 : x
  2. Step 2: Convert to fraction form
    298,752,001.80/448,128,002.70 = 71,817,217.80/x
  3. Step 3: Cross multiply
    298,752,001.80x = 448,128,002.70 × 71,817,217.80
  4. Step 4: Simplify right side
    298,752,001.80x = 32,183,306,372,184,884
  5. Step 5: Solve for x
    x = 32,183,306,372,184,884/298,752,001.80
  6. Step 6: Final answer
    x = 107,725,826.70

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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.