Home / 209,956,504.80-314,934,757.20-148,734,501.60

Finding the Fourth Proportional to 209,956,504.80, 314,934,757.20 and 148,734,501.60

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Solution

The fourth proportional to 209,956,504.80, 314,934,757.20 and 148,734,501.60 is: 223,101,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,956,504.80 : 314,934,757.20 = 148,734,501.60 : x
  2. Step 2: Convert to fraction form
    209,956,504.80/314,934,757.20 = 148,734,501.60/x
  3. Step 3: Cross multiply
    209,956,504.80x = 314,934,757.20 × 148,734,501.60
  4. Step 4: Simplify right side
    209,956,504.80x = 46,841,664,148,659,008
  5. Step 5: Solve for x
    x = 46,841,664,148,659,008/209,956,504.80
  6. Step 6: Final answer
    x = 223,101,752.40

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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.