Home / 52,161,036.30-78,241,554.45-45,783,744.30

Finding the Fourth Proportional to 52,161,036.30, 78,241,554.45 and 45,783,744.30

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Solution

The fourth proportional to 52,161,036.30, 78,241,554.45 and 45,783,744.30 is: 68,675,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161,036.30 : 78,241,554.45 = 45,783,744.30 : x
  2. Step 2: Convert to fraction form
    52,161,036.30/78,241,554.45 = 45,783,744.30/x
  3. Step 3: Cross multiply
    52,161,036.30x = 78,241,554.45 × 45,783,744.30
  4. Step 4: Simplify right side
    52,161,036.30x = 3,582,191,322,573,327
  5. Step 5: Solve for x
    x = 3,582,191,322,573,327/52,161,036.30
  6. Step 6: Final answer
    x = 68,675,616.45

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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.