Home / 65,703,389,945.20-98,554,007,918.40-20,934,278,480.96

Finding the Fourth Proportional to 65,703,389,945.20, 98,554,007,918.40 and 20,934,278,480.96

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Solution

The fourth proportional to 65,703,389,945.20, 98,554,007,918.40 and 20,934,278,480.96 is: 31,401,074,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,703,389,945.20 : 98,554,007,918.40 = 20,934,278,480.96 : x
  2. Step 2: Convert to fraction form
    65,703,389,945.20/98,554,007,918.40 = 20,934,278,480.96/x
  3. Step 3: Cross multiply
    65,703,389,945.20x = 98,554,007,918.40 × 20,934,278,480.96
  4. Step 4: Simplify right side
    65,703,389,945.20x = 2,063,157,047,178,522,263,552
  5. Step 5: Solve for x
    x = 2,063,157,047,178,522,263,552/65,703,389,945.20
  6. Step 6: Final answer
    x = 31,401,074,570.11

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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.