Home / 56,109,705.90-84,164,558.85-19,723,712.10

Finding the Fourth Proportional to 56,109,705.90, 84,164,558.85 and 19,723,712.10

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Solution

The fourth proportional to 56,109,705.90, 84,164,558.85 and 19,723,712.10 is: 29,585,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,109,705.90 : 84,164,558.85 = 19,723,712.10 : x
  2. Step 2: Convert to fraction form
    56,109,705.90/84,164,558.85 = 19,723,712.10/x
  3. Step 3: Cross multiply
    56,109,705.90x = 84,164,558.85 × 19,723,712.10
  4. Step 4: Simplify right side
    56,109,705.90x = 1,660,037,527,780,907
  5. Step 5: Solve for x
    x = 1,660,037,527,780,907/56,109,705.90
  6. Step 6: Final answer
    x = 29,585,568.15

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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.