Home / 149,344,137.18-223,813,076.40-87,961,520.70

Finding the Fourth Proportional to 149,344,137.18, 223,813,076.40 and 87,961,520.70

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Solution

The fourth proportional to 149,344,137.18, 223,813,076.40 and 87,961,520.70 is: 131,822,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,344,137.18 : 223,813,076.40 = 87,961,520.70 : x
  2. Step 2: Convert to fraction form
    149,344,137.18/223,813,076.40 = 87,961,520.70/x
  3. Step 3: Cross multiply
    149,344,137.18x = 223,813,076.40 × 87,961,520.70
  4. Step 4: Simplify right side
    149,344,137.18x = 19,686,938,552,689,284
  5. Step 5: Solve for x
    x = 19,686,938,552,689,284/149,344,137.18
  6. Step 6: Final answer
    x = 131,822,640.81

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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.