Home / 239,398,794.32-330,370,186.94-129,390,507.32

Finding the Fourth Proportional to 239,398,794.32, 330,370,186.94 and 129,390,507.32

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Solution

The fourth proportional to 239,398,794.32, 330,370,186.94 and 129,390,507.32 is: 178,558,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,398,794.32 : 330,370,186.94 = 129,390,507.32 : x
  2. Step 2: Convert to fraction form
    239,398,794.32/330,370,186.94 = 129,390,507.32/x
  3. Step 3: Cross multiply
    239,398,794.32x = 330,370,186.94 × 129,390,507.32
  4. Step 4: Simplify right side
    239,398,794.32x = 42,746,766,089,271,032
  5. Step 5: Solve for x
    x = 42,746,766,089,271,032/239,398,794.32
  6. Step 6: Final answer
    x = 178,558,819.44

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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.