Home / 220,161,344.40-330,242,016.60-118,124,672.40

Finding the Fourth Proportional to 220,161,344.40, 330,242,016.60 and 118,124,672.40

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Solution

The fourth proportional to 220,161,344.40, 330,242,016.60 and 118,124,672.40 is: 177,187,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,344.40 : 330,242,016.60 = 118,124,672.40 : x
  2. Step 2: Convert to fraction form
    220,161,344.40/330,242,016.60 = 118,124,672.40/x
  3. Step 3: Cross multiply
    220,161,344.40x = 330,242,016.60 × 118,124,672.40
  4. Step 4: Simplify right side
    220,161,344.40x = 39,009,730,023,590,368
  5. Step 5: Solve for x
    x = 39,009,730,023,590,368/220,161,344.40
  6. Step 6: Final answer
    x = 177,187,008.60

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Similar ratio
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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.