Home / 87,677,576.15-120,997,029.29-56,791,504.62

Finding the Fourth Proportional to 87,677,576.15, 120,997,029.29 and 56,791,504.62

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Solution

The fourth proportional to 87,677,576.15, 120,997,029.29 and 56,791,504.62 is: 78,373,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677,576.15 : 120,997,029.29 = 56,791,504.62 : x
  2. Step 2: Convert to fraction form
    87,677,576.15/120,997,029.29 = 56,791,504.62/x
  3. Step 3: Cross multiply
    87,677,576.15x = 120,997,029.29 × 56,791,504.62
  4. Step 4: Simplify right side
    87,677,576.15x = 6,871,603,347,645,352
  5. Step 5: Solve for x
    x = 6,871,603,347,645,352/87,677,576.15
  6. Step 6: Final answer
    x = 78,373,555.13

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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.