Home / 124,940,038.60-187,427,495.70-52,140,131.80

Finding the Fourth Proportional to 124,940,038.60, 187,427,495.70 and 52,140,131.80

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Solution

The fourth proportional to 124,940,038.60, 187,427,495.70 and 52,140,131.80 is: 78,217,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940,038.60 : 187,427,495.70 = 52,140,131.80 : x
  2. Step 2: Convert to fraction form
    124,940,038.60/187,427,495.70 = 52,140,131.80/x
  3. Step 3: Cross multiply
    124,940,038.60x = 187,427,495.70 × 52,140,131.80
  4. Step 4: Simplify right side
    124,940,038.60x = 9,772,494,328,741,932
  5. Step 5: Solve for x
    x = 9,772,494,328,741,932/124,940,038.60
  6. Step 6: Final answer
    x = 78,217,474.86

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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.