Home / 115,819,089.12-173,728,486.80-29,557,497.78

Finding the Fourth Proportional to 115,819,089.12, 173,728,486.80 and 29,557,497.78

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Solution

The fourth proportional to 115,819,089.12, 173,728,486.80 and 29,557,497.78 is: 44,336,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,819,089.12 : 173,728,486.80 = 29,557,497.78 : x
  2. Step 2: Convert to fraction form
    115,819,089.12/173,728,486.80 = 29,557,497.78/x
  3. Step 3: Cross multiply
    115,819,089.12x = 173,728,486.80 × 29,557,497.78
  4. Step 4: Simplify right side
    115,819,089.12x = 5,134,979,362,913,760
  5. Step 5: Solve for x
    x = 5,134,979,362,913,760/115,819,089.12
  6. Step 6: Final answer
    x = 44,336,209.19

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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.