Home / 105,015,343.30-157,521,747.84-27,285,369.29

Finding the Fourth Proportional to 105,015,343.30, 157,521,747.84 and 27,285,369.29

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Solution

The fourth proportional to 105,015,343.30, 157,521,747.84 and 27,285,369.29 is: 40,927,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,015,343.30 : 157,521,747.84 = 27,285,369.29 : x
  2. Step 2: Convert to fraction form
    105,015,343.30/157,521,747.84 = 27,285,369.29/x
  3. Step 3: Cross multiply
    105,015,343.30x = 157,521,747.84 × 27,285,369.29
  4. Step 4: Simplify right side
    105,015,343.30x = 4,298,039,061,837,513
  5. Step 5: Solve for x
    x = 4,298,039,061,837,513/105,015,343.30
  6. Step 6: Final answer
    x = 40,927,724.72

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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.