Home / 78,521,226.90-108,357,181.17-43,713,916.62

Finding the Fourth Proportional to 78,521,226.90, 108,357,181.17 and 43,713,916.62

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Solution

The fourth proportional to 78,521,226.90, 108,357,181.17 and 43,713,916.62 is: 60,324,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521,226.90 : 108,357,181.17 = 43,713,916.62 : x
  2. Step 2: Convert to fraction form
    78,521,226.90/108,357,181.17 = 43,713,916.62/x
  3. Step 3: Cross multiply
    78,521,226.90x = 108,357,181.17 × 43,713,916.62
  4. Step 4: Simplify right side
    78,521,226.90x = 4,736,716,782,843,614
  5. Step 5: Solve for x
    x = 4,736,716,782,843,614/78,521,226.90
  6. Step 6: Final answer
    x = 60,324,029.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.