Home / 72,455,590.20-108,683,385.30-48,269,119.80

Finding the Fourth Proportional to 72,455,590.20, 108,683,385.30 and 48,269,119.80

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Solution

The fourth proportional to 72,455,590.20, 108,683,385.30 and 48,269,119.80 is: 72,403,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455,590.20 : 108,683,385.30 = 48,269,119.80 : x
  2. Step 2: Convert to fraction form
    72,455,590.20/108,683,385.30 = 48,269,119.80/x
  3. Step 3: Cross multiply
    72,455,590.20x = 108,683,385.30 × 48,269,119.80
  4. Step 4: Simplify right side
    72,455,590.20x = 5,246,051,345,315,258
  5. Step 5: Solve for x
    x = 5,246,051,345,315,258/72,455,590.20
  6. Step 6: Final answer
    x = 72,403,679.70

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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.