Home / 77,161,338.33-116,203,909.85-70,273,862.97

Finding the Fourth Proportional to 77,161,338.33, 116,203,909.85 and 70,273,862.97

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Solution

The fourth proportional to 77,161,338.33, 116,203,909.85 and 70,273,862.97 is: 105,831,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,338.33 : 116,203,909.85 = 70,273,862.97 : x
  2. Step 2: Convert to fraction form
    77,161,338.33/116,203,909.85 = 70,273,862.97/x
  3. Step 3: Cross multiply
    77,161,338.33x = 116,203,909.85 × 70,273,862.97
  4. Step 4: Simplify right side
    77,161,338.33x = 8,166,097,637,025,764
  5. Step 5: Solve for x
    x = 8,166,097,637,025,764/77,161,338.33
  6. Step 6: Final answer
    x = 105,831,467.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.