Home / 145,823,217.80-218,706,833.10-43,590,590.60

Finding the Fourth Proportional to 145,823,217.80, 218,706,833.10 and 43,590,590.60

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Solution

The fourth proportional to 145,823,217.80, 218,706,833.10 and 43,590,590.60 is: 65,377,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,823,217.80 : 218,706,833.10 = 43,590,590.60 : x
  2. Step 2: Convert to fraction form
    145,823,217.80/218,706,833.10 = 43,590,590.60/x
  3. Step 3: Cross multiply
    145,823,217.80x = 218,706,833.10 × 43,590,590.60
  4. Step 4: Simplify right side
    145,823,217.80x = 9,533,560,023,084,628
  5. Step 5: Solve for x
    x = 9,533,560,023,084,628/145,823,217.80
  6. Step 6: Final answer
    x = 65,377,517.84

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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.