Home / 239,493,700.12-359,239,042.73-128,881,473.52

Finding the Fourth Proportional to 239,493,700.12, 359,239,042.73 and 128,881,473.52

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Solution

The fourth proportional to 239,493,700.12, 359,239,042.73 and 128,881,473.52 is: 193,321,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493,700.12 : 359,239,042.73 = 128,881,473.52 : x
  2. Step 2: Convert to fraction form
    239,493,700.12/359,239,042.73 = 128,881,473.52/x
  3. Step 3: Cross multiply
    239,493,700.12x = 359,239,042.73 × 128,881,473.52
  4. Step 4: Simplify right side
    239,493,700.12x = 46,299,257,173,659,392
  5. Step 5: Solve for x
    x = 46,299,257,173,659,392/239,493,700.12
  6. Step 6: Final answer
    x = 193,321,399.06

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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.