Home / 342,144,707.40-513,117,528.30-188,864,195.40

Finding the Fourth Proportional to 342,144,707.40, 513,117,528.30 and 188,864,195.40

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Solution

The fourth proportional to 342,144,707.40, 513,117,528.30 and 188,864,195.40 is: 283,241,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,707.40 : 513,117,528.30 = 188,864,195.40 : x
  2. Step 2: Convert to fraction form
    342,144,707.40/513,117,528.30 = 188,864,195.40/x
  3. Step 3: Cross multiply
    342,144,707.40x = 513,117,528.30 × 188,864,195.40
  4. Step 4: Simplify right side
    342,144,707.40x = 96,909,529,128,016,240
  5. Step 5: Solve for x
    x = 96,909,529,128,016,240/342,144,707.40
  6. Step 6: Final answer
    x = 283,241,350.90

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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.