Home / 76,352,325.72-105,326,057.34-45,390,471

Finding the Fourth Proportional to 76,352,325.72, 105,326,057.34 and 45,390,471

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Solution

The fourth proportional to 76,352,325.72, 105,326,057.34 and 45,390,471 is: 62,614,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,352,325.72 : 105,326,057.34 = 45,390,471 : x
  2. Step 2: Convert to fraction form
    76,352,325.72/105,326,057.34 = 45,390,471/x
  3. Step 3: Cross multiply
    76,352,325.72x = 105,326,057.34 × 45,390,471
  4. Step 4: Simplify right side
    76,352,325.72x = 4,780,799,351,235,607
  5. Step 5: Solve for x
    x = 4,780,799,351,235,607/76,352,325.72
  6. Step 6: Final answer
    x = 62,614,980.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.