Home / 77,771,508,249.72-107,341,947,010.33-47,281,213,065.48

Finding the Fourth Proportional to 77,771,508,249.72, 107,341,947,010.33 and 47,281,213,065.48

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Solution

The fourth proportional to 77,771,508,249.72, 107,341,947,010.33 and 47,281,213,065.48 is: 65,258,570,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,508,249.72 : 107,341,947,010.33 = 47,281,213,065.48 : x
  2. Step 2: Convert to fraction form
    77,771,508,249.72/107,341,947,010.33 = 47,281,213,065.48/x
  3. Step 3: Cross multiply
    77,771,508,249.72x = 107,341,947,010.33 × 47,281,213,065.48
  4. Step 4: Simplify right side
    77,771,508,249.72x = 5,075,257,467,458,876,866,560
  5. Step 5: Solve for x
    x = 5,075,257,467,458,876,866,560/77,771,508,249.72
  6. Step 6: Final answer
    x = 65,258,570,672.98

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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.