Home / 178,949,049.12-246,979,980.36-103,584,460.50

Finding the Fourth Proportional to 178,949,049.12, 246,979,980.36 and 103,584,460.50

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Solution

The fourth proportional to 178,949,049.12, 246,979,980.36 and 103,584,460.50 is: 142,964,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,949,049.12 : 246,979,980.36 = 103,584,460.50 : x
  2. Step 2: Convert to fraction form
    178,949,049.12/246,979,980.36 = 103,584,460.50/x
  3. Step 3: Cross multiply
    178,949,049.12x = 246,979,980.36 × 103,584,460.50
  4. Step 4: Simplify right side
    178,949,049.12x = 25,583,288,019,891,196
  5. Step 5: Solve for x
    x = 25,583,288,019,891,196/178,949,049.12
  6. Step 6: Final answer
    x = 142,964,090.31

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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.