Home / 82,050,281.04-123,020,749.80-45,179,537.88

Finding the Fourth Proportional to 82,050,281.04, 123,020,749.80 and 45,179,537.88

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Solution

The fourth proportional to 82,050,281.04, 123,020,749.80 and 45,179,537.88 is: 67,739,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,050,281.04 : 123,020,749.80 = 45,179,537.88 : x
  2. Step 2: Convert to fraction form
    82,050,281.04/123,020,749.80 = 45,179,537.88/x
  3. Step 3: Cross multiply
    82,050,281.04x = 123,020,749.80 × 45,179,537.88
  4. Step 4: Simplify right side
    82,050,281.04x = 5,558,020,625,615,103
  5. Step 5: Solve for x
    x = 5,558,020,625,615,103/82,050,281.04
  6. Step 6: Final answer
    x = 67,739,202.78

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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.