Home / 70,227,029.40-105,340,544.10-63,424,584.60

Finding the Fourth Proportional to 70,227,029.40, 105,340,544.10 and 63,424,584.60

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Solution

The fourth proportional to 70,227,029.40, 105,340,544.10 and 63,424,584.60 is: 95,136,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227,029.40 : 105,340,544.10 = 63,424,584.60 : x
  2. Step 2: Convert to fraction form
    70,227,029.40/105,340,544.10 = 63,424,584.60/x
  3. Step 3: Cross multiply
    70,227,029.40x = 105,340,544.10 × 63,424,584.60
  4. Step 4: Simplify right side
    70,227,029.40x = 6,681,180,251,080,481
  5. Step 5: Solve for x
    x = 6,681,180,251,080,481/70,227,029.40
  6. Step 6: Final answer
    x = 95,136,876.90

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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.