Home / 48,431,565.43-66,818,793.38-31,037,501.50

Finding the Fourth Proportional to 48,431,565.43, 66,818,793.38 and 31,037,501.50

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Solution

The fourth proportional to 48,431,565.43, 66,818,793.38 and 31,037,501.50 is: 42,821,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431,565.43 : 66,818,793.38 = 31,037,501.50 : x
  2. Step 2: Convert to fraction form
    48,431,565.43/66,818,793.38 = 31,037,501.50/x
  3. Step 3: Cross multiply
    48,431,565.43x = 66,818,793.38 × 31,037,501.50
  4. Step 4: Simplify right side
    48,431,565.43x = 2,073,888,399,437,705.50
  5. Step 5: Solve for x
    x = 2,073,888,399,437,705.50/48,431,565.43
  6. Step 6: Final answer
    x = 42,821,006.94

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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.