Home / 272,967,609.10-409,451,413.65-169,655,478.70

Finding the Fourth Proportional to 272,967,609.10, 409,451,413.65 and 169,655,478.70

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Solution

The fourth proportional to 272,967,609.10, 409,451,413.65 and 169,655,478.70 is: 254,483,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,609.10 : 409,451,413.65 = 169,655,478.70 : x
  2. Step 2: Convert to fraction form
    272,967,609.10/409,451,413.65 = 169,655,478.70/x
  3. Step 3: Cross multiply
    272,967,609.10x = 409,451,413.65 × 169,655,478.70
  4. Step 4: Simplify right side
    272,967,609.10x = 69,465,675,587,182,456
  5. Step 5: Solve for x
    x = 69,465,675,587,182,456/272,967,609.10
  6. Step 6: Final answer
    x = 254,483,218.05

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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.