Home / 217,048,534.40-325,572,801.60-148,173,780.80

Finding the Fourth Proportional to 217,048,534.40, 325,572,801.60 and 148,173,780.80

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Solution

The fourth proportional to 217,048,534.40, 325,572,801.60 and 148,173,780.80 is: 222,260,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,048,534.40 : 325,572,801.60 = 148,173,780.80 : x
  2. Step 2: Convert to fraction form
    217,048,534.40/325,572,801.60 = 148,173,780.80/x
  3. Step 3: Cross multiply
    217,048,534.40x = 325,572,801.60 × 148,173,780.80
  4. Step 4: Simplify right side
    217,048,534.40x = 48,241,352,938,720,296
  5. Step 5: Solve for x
    x = 48,241,352,938,720,296/217,048,534.40
  6. Step 6: Final answer
    x = 222,260,671.20

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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.