Home / 82,871,848.80-124,307,773.20-47,040,040.80

Finding the Fourth Proportional to 82,871,848.80, 124,307,773.20 and 47,040,040.80

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Solution

The fourth proportional to 82,871,848.80, 124,307,773.20 and 47,040,040.80 is: 70,560,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871,848.80 : 124,307,773.20 = 47,040,040.80 : x
  2. Step 2: Convert to fraction form
    82,871,848.80/124,307,773.20 = 47,040,040.80/x
  3. Step 3: Cross multiply
    82,871,848.80x = 124,307,773.20 × 47,040,040.80
  4. Step 4: Simplify right side
    82,871,848.80x = 5,847,442,723,085,146
  5. Step 5: Solve for x
    x = 5,847,442,723,085,146/82,871,848.80
  6. Step 6: Final answer
    x = 70,560,061.20

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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.