Home / 107,719,384.32-161,818,224.96-66,809,056.20

Finding the Fourth Proportional to 107,719,384.32, 161,818,224.96 and 66,809,056.20

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Solution

The fourth proportional to 107,719,384.32, 161,818,224.96 and 66,809,056.20 is: 100,361,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,719,384.32 : 161,818,224.96 = 66,809,056.20 : x
  2. Step 2: Convert to fraction form
    107,719,384.32/161,818,224.96 = 66,809,056.20/x
  3. Step 3: Cross multiply
    107,719,384.32x = 161,818,224.96 × 66,809,056.20
  4. Step 4: Simplify right side
    107,719,384.32x = 10,810,922,885,536,884
  5. Step 5: Solve for x
    x = 10,810,922,885,536,884/107,719,384.32
  6. Step 6: Final answer
    x = 100,361,907.50

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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.