Home / 272,967,658.60-409,451,487.90-169,655,528.20

Finding the Fourth Proportional to 272,967,658.60, 409,451,487.90 and 169,655,528.20

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Solution

The fourth proportional to 272,967,658.60, 409,451,487.90 and 169,655,528.20 is: 254,483,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,658.60 : 409,451,487.90 = 169,655,528.20 : x
  2. Step 2: Convert to fraction form
    272,967,658.60/409,451,487.90 = 169,655,528.20/x
  3. Step 3: Cross multiply
    272,967,658.60x = 409,451,487.90 × 169,655,528.20
  4. Step 4: Simplify right side
    272,967,658.60x = 69,465,708,451,950,400
  5. Step 5: Solve for x
    x = 69,465,708,451,950,400/272,967,658.60
  6. Step 6: Final answer
    x = 254,483,292.30

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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.