Home / 65,573,903.70-98,360,855.55-20,137,958.10

Finding the Fourth Proportional to 65,573,903.70, 98,360,855.55 and 20,137,958.10

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Solution

The fourth proportional to 65,573,903.70, 98,360,855.55 and 20,137,958.10 is: 30,206,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,573,903.70 : 98,360,855.55 = 20,137,958.10 : x
  2. Step 2: Convert to fraction form
    65,573,903.70/98,360,855.55 = 20,137,958.10/x
  3. Step 3: Cross multiply
    65,573,903.70x = 98,360,855.55 × 20,137,958.10
  4. Step 4: Simplify right side
    65,573,903.70x = 1,980,786,787,746,052.50
  5. Step 5: Solve for x
    x = 1,980,786,787,746,052.50/65,573,903.70
  6. Step 6: Final answer
    x = 30,206,937.15

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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.