Home / 124,795,127.12-172,216,687.56-69,791,202.32

Finding the Fourth Proportional to 124,795,127.12, 172,216,687.56 and 69,791,202.32

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Solution

The fourth proportional to 124,795,127.12, 172,216,687.56 and 69,791,202.32 is: 96,311,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,795,127.12 : 172,216,687.56 = 69,791,202.32 : x
  2. Step 2: Convert to fraction form
    124,795,127.12/172,216,687.56 = 69,791,202.32/x
  3. Step 3: Cross multiply
    124,795,127.12x = 172,216,687.56 × 69,791,202.32
  4. Step 4: Simplify right side
    124,795,127.12x = 12,019,209,684,380,186
  5. Step 5: Solve for x
    x = 12,019,209,684,380,186/124,795,127.12
  6. Step 6: Final answer
    x = 96,311,530.44

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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.