Home / 57,092,064.66-78,785,045.46-30,986,057.04

Finding the Fourth Proportional to 57,092,064.66, 78,785,045.46 and 30,986,057.04

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Solution

The fourth proportional to 57,092,064.66, 78,785,045.46 and 30,986,057.04 is: 42,759,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,064.66 : 78,785,045.46 = 30,986,057.04 : x
  2. Step 2: Convert to fraction form
    57,092,064.66/78,785,045.46 = 30,986,057.04/x
  3. Step 3: Cross multiply
    57,092,064.66x = 78,785,045.46 × 30,986,057.04
  4. Step 4: Simplify right side
    57,092,064.66x = 2,441,237,912,522,553
  5. Step 5: Solve for x
    x = 2,441,237,912,522,553/57,092,064.66
  6. Step 6: Final answer
    x = 42,759,671.19

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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.