Home / 198,200,587.60-297,300,881.40-54,593,419.60

Finding the Fourth Proportional to 198,200,587.60, 297,300,881.40 and 54,593,419.60

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Solution

The fourth proportional to 198,200,587.60, 297,300,881.40 and 54,593,419.60 is: 81,890,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,200,587.60 : 297,300,881.40 = 54,593,419.60 : x
  2. Step 2: Convert to fraction form
    198,200,587.60/297,300,881.40 = 54,593,419.60/x
  3. Step 3: Cross multiply
    198,200,587.60x = 297,300,881.40 × 54,593,419.60
  4. Step 4: Simplify right side
    198,200,587.60x = 16,230,671,765,720,034
  5. Step 5: Solve for x
    x = 16,230,671,765,720,034/198,200,587.60
  6. Step 6: Final answer
    x = 81,890,129.40

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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.