Home / 239,232,533.50-330,141,029.07-129,224,247.58

Finding the Fourth Proportional to 239,232,533.50, 330,141,029.07 and 129,224,247.58

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Solution

The fourth proportional to 239,232,533.50, 330,141,029.07 and 129,224,247.58 is: 178,329,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,232,533.50 : 330,141,029.07 = 129,224,247.58 : x
  2. Step 2: Convert to fraction form
    239,232,533.50/330,141,029.07 = 129,224,247.58/x
  3. Step 3: Cross multiply
    239,232,533.50x = 330,141,029.07 × 129,224,247.58
  4. Step 4: Simplify right side
    239,232,533.50x = 42,662,226,076,857,656
  5. Step 5: Solve for x
    x = 42,662,226,076,857,656/239,232,533.50
  6. Step 6: Final answer
    x = 178,329,533.42

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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.