Home / 60,580,337.20-90,871,024.20-20,190,821.20

Finding the Fourth Proportional to 60,580,337.20, 90,871,024.20 and 20,190,821.20

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Solution

The fourth proportional to 60,580,337.20, 90,871,024.20 and 20,190,821.20 is: 30,286,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,580,337.20 : 90,871,024.20 = 20,190,821.20 : x
  2. Step 2: Convert to fraction form
    60,580,337.20/90,871,024.20 = 20,190,821.20/x
  3. Step 3: Cross multiply
    60,580,337.20x = 90,871,024.20 × 20,190,821.20
  4. Step 4: Simplify right side
    60,580,337.20x = 1,834,760,601,883,073
  5. Step 5: Solve for x
    x = 1,834,760,601,883,073/60,580,337.20
  6. Step 6: Final answer
    x = 30,286,404.58

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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.