Home / 43,170,025.72-64,788,618.54-30,131,472.76

Finding the Fourth Proportional to 43,170,025.72, 64,788,618.54 and 30,131,472.76

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Solution

The fourth proportional to 43,170,025.72, 64,788,618.54 and 30,131,472.76 is: 45,220,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170,025.72 : 64,788,618.54 = 30,131,472.76 : x
  2. Step 2: Convert to fraction form
    43,170,025.72/64,788,618.54 = 30,131,472.76/x
  3. Step 3: Cross multiply
    43,170,025.72x = 64,788,618.54 × 30,131,472.76
  4. Step 4: Simplify right side
    43,170,025.72x = 1,952,176,494,696,041
  5. Step 5: Solve for x
    x = 1,952,176,494,696,041/43,170,025.72
  6. Step 6: Final answer
    x = 45,220,647.01

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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.