Home / 112,269,148.80-168,403,723.20-75,989,443.20

Finding the Fourth Proportional to 112,269,148.80, 168,403,723.20 and 75,989,443.20

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Solution

The fourth proportional to 112,269,148.80, 168,403,723.20 and 75,989,443.20 is: 113,984,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,148.80 : 168,403,723.20 = 75,989,443.20 : x
  2. Step 2: Convert to fraction form
    112,269,148.80/168,403,723.20 = 75,989,443.20/x
  3. Step 3: Cross multiply
    112,269,148.80x = 168,403,723.20 × 75,989,443.20
  4. Step 4: Simplify right side
    112,269,148.80x = 12,796,905,158,774,922
  5. Step 5: Solve for x
    x = 12,796,905,158,774,922/112,269,148.80
  6. Step 6: Final answer
    x = 113,984,164.80

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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.