Home / 67,285,215.60-100,975,062.60-28,974,224.40

Finding the Fourth Proportional to 67,285,215.60, 100,975,062.60 and 28,974,224.40

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Solution

The fourth proportional to 67,285,215.60, 100,975,062.60 and 28,974,224.40 is: 43,481,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285,215.60 : 100,975,062.60 = 28,974,224.40 : x
  2. Step 2: Convert to fraction form
    67,285,215.60/100,975,062.60 = 28,974,224.40/x
  3. Step 3: Cross multiply
    67,285,215.60x = 100,975,062.60 × 28,974,224.40
  4. Step 4: Simplify right side
    67,285,215.60x = 2,925,674,122,576,447
  5. Step 5: Solve for x
    x = 2,925,674,122,576,447/67,285,215.60
  6. Step 6: Final answer
    x = 43,481,678.65

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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.