Home / 238,731,235.54-358,150,261.87-72,747,731.00

Finding the Fourth Proportional to 238,731,235.54, 358,150,261.87 and 72,747,731.00

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Solution

The fourth proportional to 238,731,235.54, 358,150,261.87 and 72,747,731.00 is: 109,137,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,731,235.54 : 358,150,261.87 = 72,747,731.00 : x
  2. Step 2: Convert to fraction form
    238,731,235.54/358,150,261.87 = 72,747,731.00/x
  3. Step 3: Cross multiply
    238,731,235.54x = 358,150,261.87 × 72,747,731.00
  4. Step 4: Simplify right side
    238,731,235.54x = 26,054,618,907,805,288
  5. Step 5: Solve for x
    x = 26,054,618,907,805,288/238,731,235.54
  6. Step 6: Final answer
    x = 109,137,871.50

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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.