Home / 57,997,686.60-86,993,765.10-19,655,440.20

Finding the Fourth Proportional to 57,997,686.60, 86,993,765.10 and 19,655,440.20

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Solution

The fourth proportional to 57,997,686.60, 86,993,765.10 and 19,655,440.20 is: 29,482,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,997,686.60 : 86,993,765.10 = 19,655,440.20 : x
  2. Step 2: Convert to fraction form
    57,997,686.60/86,993,765.10 = 19,655,440.20/x
  3. Step 3: Cross multiply
    57,997,686.60x = 86,993,765.10 × 19,655,440.20
  4. Step 4: Simplify right side
    57,997,686.60x = 1,709,900,747,695,896.75
  5. Step 5: Solve for x
    x = 1,709,900,747,695,896.75/57,997,686.60
  6. Step 6: Final answer
    x = 29,482,223.31

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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.