Home / 87,408,861.57-120,622,776.35-48,249,625.41

Finding the Fourth Proportional to 87,408,861.57, 120,622,776.35 and 48,249,625.41

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Solution

The fourth proportional to 87,408,861.57, 120,622,776.35 and 48,249,625.41 is: 66,583,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,861.57 : 120,622,776.35 = 48,249,625.41 : x
  2. Step 2: Convert to fraction form
    87,408,861.57/120,622,776.35 = 48,249,625.41/x
  3. Step 3: Cross multiply
    87,408,861.57x = 120,622,776.35 × 48,249,625.41
  4. Step 4: Simplify right side
    87,408,861.57x = 5,820,003,774,560,458
  5. Step 5: Solve for x
    x = 5,820,003,774,560,458/87,408,861.57
  6. Step 6: Final answer
    x = 66,583,681.22

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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.