Home / 239,733,112.32-330,832,270.08-129,726,005.76

Finding the Fourth Proportional to 239,733,112.32, 330,832,270.08 and 129,726,005.76

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Solution

The fourth proportional to 239,733,112.32, 330,832,270.08 and 129,726,005.76 is: 179,022,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,733,112.32 : 330,832,270.08 = 129,726,005.76 : x
  2. Step 2: Convert to fraction form
    239,733,112.32/330,832,270.08 = 129,726,005.76/x
  3. Step 3: Cross multiply
    239,733,112.32x = 330,832,270.08 × 129,726,005.76
  4. Step 4: Simplify right side
    239,733,112.32x = 42,917,548,973,991,952
  5. Step 5: Solve for x
    x = 42,917,548,973,991,952/239,733,112.32
  6. Step 6: Final answer
    x = 179,022,199.14

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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.