Home / 48,530,317.85-72,796,971.49-21,222,554.22

Finding the Fourth Proportional to 48,530,317.85, 72,796,971.49 and 21,222,554.22

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Solution

The fourth proportional to 48,530,317.85, 72,796,971.49 and 21,222,554.22 is: 31,834,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,530,317.85 : 72,796,971.49 = 21,222,554.22 : x
  2. Step 2: Convert to fraction form
    48,530,317.85/72,796,971.49 = 21,222,554.22/x
  3. Step 3: Cross multiply
    48,530,317.85x = 72,796,971.49 × 21,222,554.22
  4. Step 4: Simplify right side
    48,530,317.85x = 1,544,937,674,359,934.75
  5. Step 5: Solve for x
    x = 1,544,937,674,359,934.75/48,530,317.85
  6. Step 6: Final answer
    x = 31,834,484.97

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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.