Home / 57,170,960.59-78,896,398.53-31,065,478.42

Finding the Fourth Proportional to 57,170,960.59, 78,896,398.53 and 31,065,478.42

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Solution

The fourth proportional to 57,170,960.59, 78,896,398.53 and 31,065,478.42 is: 42,870,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,960.59 : 78,896,398.53 = 31,065,478.42 : x
  2. Step 2: Convert to fraction form
    57,170,960.59/78,896,398.53 = 31,065,478.42/x
  3. Step 3: Cross multiply
    57,170,960.59x = 78,896,398.53 × 31,065,478.42
  4. Step 4: Simplify right side
    57,170,960.59x = 2,450,954,365,949,435
  5. Step 5: Solve for x
    x = 2,450,954,365,949,435/57,170,960.59
  6. Step 6: Final answer
    x = 42,870,617.19

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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.