Home / 107,328,037.20-160,992,055.80-99,769,765.20

Finding the Fourth Proportional to 107,328,037.20, 160,992,055.80 and 99,769,765.20

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Solution

The fourth proportional to 107,328,037.20, 160,992,055.80 and 99,769,765.20 is: 149,654,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,328,037.20 : 160,992,055.80 = 99,769,765.20 : x
  2. Step 2: Convert to fraction form
    107,328,037.20/160,992,055.80 = 99,769,765.20/x
  3. Step 3: Cross multiply
    107,328,037.20x = 160,992,055.80 × 99,769,765.20
  4. Step 4: Simplify right side
    107,328,037.20x = 16,062,139,606,231,300
  5. Step 5: Solve for x
    x = 16,062,139,606,231,300/107,328,037.20
  6. Step 6: Final answer
    x = 149,654,647.80

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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.