Home / 272,967,785.20-409,451,677.80-169,655,654.80

Finding the Fourth Proportional to 272,967,785.20, 409,451,677.80 and 169,655,654.80

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Solution

The fourth proportional to 272,967,785.20, 409,451,677.80 and 169,655,654.80 is: 254,483,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,785.20 : 409,451,677.80 = 169,655,654.80 : x
  2. Step 2: Convert to fraction form
    272,967,785.20/409,451,677.80 = 169,655,654.80/x
  3. Step 3: Cross multiply
    272,967,785.20x = 409,451,677.80 × 169,655,654.80
  4. Step 4: Simplify right side
    272,967,785.20x = 69,465,792,506,117,632
  5. Step 5: Solve for x
    x = 69,465,792,506,117,632/272,967,785.20
  6. Step 6: Final answer
    x = 254,483,482.20

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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.