Home / 43,170,026.72-64,788,620.04-30,131,473.76

Finding the Fourth Proportional to 43,170,026.72, 64,788,620.04 and 30,131,473.76

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Solution

The fourth proportional to 43,170,026.72, 64,788,620.04 and 30,131,473.76 is: 45,220,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170,026.72 : 64,788,620.04 = 30,131,473.76 : x
  2. Step 2: Convert to fraction form
    43,170,026.72/64,788,620.04 = 30,131,473.76/x
  3. Step 3: Cross multiply
    43,170,026.72x = 64,788,620.04 × 30,131,473.76
  4. Step 4: Simplify right side
    43,170,026.72x = 1,952,176,604,681,870.25
  5. Step 5: Solve for x
    x = 1,952,176,604,681,870.25/43,170,026.72
  6. Step 6: Final answer
    x = 45,220,648.51

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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.