Home / 90,495,225-124,882,360.74-49,241,406.60

Finding the Fourth Proportional to 90,495,225, 124,882,360.74 and 49,241,406.60

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Solution

The fourth proportional to 90,495,225, 124,882,360.74 and 49,241,406.60 is: 67,952,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495,225 : 124,882,360.74 = 49,241,406.60 : x
  2. Step 2: Convert to fraction form
    90,495,225/124,882,360.74 = 49,241,406.60/x
  3. Step 3: Cross multiply
    90,495,225x = 124,882,360.74 × 49,241,406.60
  4. Step 4: Simplify right side
    90,495,225x = 6,149,383,102,366,217
  5. Step 5: Solve for x
    x = 6,149,383,102,366,217/90,495,225
  6. Step 6: Final answer
    x = 67,952,569.90

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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.