Home / 220,320,303.60-330,480,455.40-132,644,348.40

Finding the Fourth Proportional to 220,320,303.60, 330,480,455.40 and 132,644,348.40

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Solution

The fourth proportional to 220,320,303.60, 330,480,455.40 and 132,644,348.40 is: 198,966,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,320,303.60 : 330,480,455.40 = 132,644,348.40 : x
  2. Step 2: Convert to fraction form
    220,320,303.60/330,480,455.40 = 132,644,348.40/x
  3. Step 3: Cross multiply
    220,320,303.60x = 330,480,455.40 × 132,644,348.40
  4. Step 4: Simplify right side
    220,320,303.60x = 43,836,364,665,468,264
  5. Step 5: Solve for x
    x = 43,836,364,665,468,264/220,320,303.60
  6. Step 6: Final answer
    x = 198,966,522.60

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1.5x scale

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.