Home / 77,373,921.18-115,965,222.30-39,046,396.26

Finding the Fourth Proportional to 77,373,921.18, 115,965,222.30 and 39,046,396.26

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Solution

The fourth proportional to 77,373,921.18, 115,965,222.30 and 39,046,396.26 is: 58,521,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,373,921.18 : 115,965,222.30 = 39,046,396.26 : x
  2. Step 2: Convert to fraction form
    77,373,921.18/115,965,222.30 = 39,046,396.26/x
  3. Step 3: Cross multiply
    77,373,921.18x = 115,965,222.30 × 39,046,396.26
  4. Step 4: Simplify right side
    77,373,921.18x = 4,528,024,022,304,788
  5. Step 5: Solve for x
    x = 4,528,024,022,304,788/77,373,921.18
  6. Step 6: Final answer
    x = 58,521,320.27

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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.