Home / 77,771,510,309.56-107,341,949,850.42-47,281,215,119.80

Finding the Fourth Proportional to 77,771,510,309.56, 107,341,949,850.42 and 47,281,215,119.80

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Solution

The fourth proportional to 77,771,510,309.56, 107,341,949,850.42 and 47,281,215,119.80 is: 65,258,573,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,510,309.56 : 107,341,949,850.42 = 47,281,215,119.80 : x
  2. Step 2: Convert to fraction form
    77,771,510,309.56/107,341,949,850.42 = 47,281,215,119.80/x
  3. Step 3: Cross multiply
    77,771,510,309.56x = 107,341,949,850.42 × 47,281,215,119.80
  4. Step 4: Simplify right side
    77,771,510,309.56x = 5,075,257,822,256,491,921,408
  5. Step 5: Solve for x
    x = 5,075,257,822,256,491,921,408/77,771,510,309.56
  6. Step 6: Final answer
    x = 65,258,573,506.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.