Home / 105,683,240.80-158,524,861.20-45,217,064.80

Finding the Fourth Proportional to 105,683,240.80, 158,524,861.20 and 45,217,064.80

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Solution

The fourth proportional to 105,683,240.80, 158,524,861.20 and 45,217,064.80 is: 67,825,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683,240.80 : 158,524,861.20 = 45,217,064.80 : x
  2. Step 2: Convert to fraction form
    105,683,240.80/158,524,861.20 = 45,217,064.80/x
  3. Step 3: Cross multiply
    105,683,240.80x = 158,524,861.20 × 45,217,064.80
  4. Step 4: Simplify right side
    105,683,240.80x = 7,168,028,921,291,405
  5. Step 5: Solve for x
    x = 7,168,028,921,291,405/105,683,240.80
  6. Step 6: Final answer
    x = 67,825,597.20

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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.