Home / 100,280,155.15-138,373,829.50-58,453,755.54

Finding the Fourth Proportional to 100,280,155.15, 138,373,829.50 and 58,453,755.54

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Solution

The fourth proportional to 100,280,155.15, 138,373,829.50 and 58,453,755.54 is: 80,658,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,280,155.15 : 138,373,829.50 = 58,453,755.54 : x
  2. Step 2: Convert to fraction form
    100,280,155.15/138,373,829.50 = 58,453,755.54/x
  3. Step 3: Cross multiply
    100,280,155.15x = 138,373,829.50 × 58,453,755.54
  4. Step 4: Simplify right side
    100,280,155.15x = 8,088,470,002,434,372
  5. Step 5: Solve for x
    x = 8,088,470,002,434,372/100,280,155.15
  6. Step 6: Final answer
    x = 80,658,730.44

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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.