Home / 74,423,416,812.51-111,635,119,062-20,640,551,706.72

Finding the Fourth Proportional to 74,423,416,812.51, 111,635,119,062 and 20,640,551,706.72

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Solution

The fourth proportional to 74,423,416,812.51, 111,635,119,062 and 20,640,551,706.72 is: 30,960,825,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423,416,812.51 : 111,635,119,062 = 20,640,551,706.72 : x
  2. Step 2: Convert to fraction form
    74,423,416,812.51/111,635,119,062 = 20,640,551,706.72/x
  3. Step 3: Cross multiply
    74,423,416,812.51x = 111,635,119,062 × 20,640,551,706.72
  4. Step 4: Simplify right side
    74,423,416,812.51x = 2,304,210,447,284,496,236,544
  5. Step 5: Solve for x
    x = 2,304,210,447,284,496,236,544/74,423,416,812.51
  6. Step 6: Final answer
    x = 30,960,825,852.56

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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.