Home / 54,371,410.43-81,531,827.99-19,803,746.75

Finding the Fourth Proportional to 54,371,410.43, 81,531,827.99 and 19,803,746.75

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Solution

The fourth proportional to 54,371,410.43, 81,531,827.99 and 19,803,746.75 is: 29,696,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371,410.43 : 81,531,827.99 = 19,803,746.75 : x
  2. Step 2: Convert to fraction form
    54,371,410.43/81,531,827.99 = 19,803,746.75/x
  3. Step 3: Cross multiply
    54,371,410.43x = 81,531,827.99 × 19,803,746.75
  4. Step 4: Simplify right side
    54,371,410.43x = 1,614,635,673,479,502.75
  5. Step 5: Solve for x
    x = 1,614,635,673,479,502.75/54,371,410.43
  6. Step 6: Final answer
    x = 29,696,409.58

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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.