Home / 295,245,784.60-442,868,676.90-90,747,287.80

Finding the Fourth Proportional to 295,245,784.60, 442,868,676.90 and 90,747,287.80

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Solution

The fourth proportional to 295,245,784.60, 442,868,676.90 and 90,747,287.80 is: 136,120,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,784.60 : 442,868,676.90 = 90,747,287.80 : x
  2. Step 2: Convert to fraction form
    295,245,784.60/442,868,676.90 = 90,747,287.80/x
  3. Step 3: Cross multiply
    295,245,784.60x = 442,868,676.90 × 90,747,287.80
  4. Step 4: Simplify right side
    295,245,784.60x = 40,189,131,280,249,512
  5. Step 5: Solve for x
    x = 40,189,131,280,249,512/295,245,784.60
  6. Step 6: Final answer
    x = 136,120,931.70

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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.