Home / 105,308,132.40-157,962,198.60-47,912,504.40

Finding the Fourth Proportional to 105,308,132.40, 157,962,198.60 and 47,912,504.40

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Solution

The fourth proportional to 105,308,132.40, 157,962,198.60 and 47,912,504.40 is: 71,868,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,308,132.40 : 157,962,198.60 = 47,912,504.40 : x
  2. Step 2: Convert to fraction form
    105,308,132.40/157,962,198.60 = 47,912,504.40/x
  3. Step 3: Cross multiply
    105,308,132.40x = 157,962,198.60 × 47,912,504.40
  4. Step 4: Simplify right side
    105,308,132.40x = 7,568,364,535,456,173
  5. Step 5: Solve for x
    x = 7,568,364,535,456,173/105,308,132.40
  6. Step 6: Final answer
    x = 71,868,756.60

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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.