Home / 272,967,570.10-409,451,355.15-169,655,439.70

Finding the Fourth Proportional to 272,967,570.10, 409,451,355.15 and 169,655,439.70

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Solution

The fourth proportional to 272,967,570.10, 409,451,355.15 and 169,655,439.70 is: 254,483,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,570.10 : 409,451,355.15 = 169,655,439.70 : x
  2. Step 2: Convert to fraction form
    272,967,570.10/409,451,355.15 = 169,655,439.70/x
  3. Step 3: Cross multiply
    272,967,570.10x = 409,451,355.15 × 169,655,439.70
  4. Step 4: Simplify right side
    272,967,570.10x = 69,465,649,693,734,104
  5. Step 5: Solve for x
    x = 69,465,649,693,734,104/272,967,570.10
  6. Step 6: Final answer
    x = 254,483,159.55

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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.