Home / 145,752,672.80-218,629,009.20-38,047,296.80

Finding the Fourth Proportional to 145,752,672.80, 218,629,009.20 and 38,047,296.80

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Solution

The fourth proportional to 145,752,672.80, 218,629,009.20 and 38,047,296.80 is: 57,070,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,752,672.80 : 218,629,009.20 = 38,047,296.80 : x
  2. Step 2: Convert to fraction form
    145,752,672.80/218,629,009.20 = 38,047,296.80/x
  3. Step 3: Cross multiply
    145,752,672.80x = 218,629,009.20 × 38,047,296.80
  4. Step 4: Simplify right side
    145,752,672.80x = 8,318,242,802,122,329
  5. Step 5: Solve for x
    x = 8,318,242,802,122,329/145,752,672.80
  6. Step 6: Final answer
    x = 57,070,945.20

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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.