Home / 125,679,576.78-188,517,468.15-56,543,558.76

Finding the Fourth Proportional to 125,679,576.78, 188,517,468.15 and 56,543,558.76

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Solution

The fourth proportional to 125,679,576.78, 188,517,468.15 and 56,543,558.76 is: 84,814,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,679,576.78 : 188,517,468.15 = 56,543,558.76 : x
  2. Step 2: Convert to fraction form
    125,679,576.78/188,517,468.15 = 56,543,558.76/x
  3. Step 3: Cross multiply
    125,679,576.78x = 188,517,468.15 × 56,543,558.76
  4. Step 4: Simplify right side
    125,679,576.78x = 10,659,448,537,625,954
  5. Step 5: Solve for x
    x = 10,659,448,537,625,954/125,679,576.78
  6. Step 6: Final answer
    x = 84,814,484.67

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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.