Home / 101,440,268.10-139,975,760.03-56,788,685.24

Finding the Fourth Proportional to 101,440,268.10, 139,975,760.03 and 56,788,685.24

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Solution

The fourth proportional to 101,440,268.10, 139,975,760.03 and 56,788,685.24 is: 78,361,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,440,268.10 : 139,975,760.03 = 56,788,685.24 : x
  2. Step 2: Convert to fraction form
    101,440,268.10/139,975,760.03 = 56,788,685.24/x
  3. Step 3: Cross multiply
    101,440,268.10x = 139,975,760.03 × 56,788,685.24
  4. Step 4: Simplify right side
    101,440,268.10x = 7,949,039,376,589,621
  5. Step 5: Solve for x
    x = 7,949,039,376,589,621/101,440,268.10
  6. Step 6: Final answer
    x = 78,361,774.13

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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.