Home / 158,790,135.56-238,006,677.90-80,848,260.98

Finding the Fourth Proportional to 158,790,135.56, 238,006,677.90 and 80,848,260.98

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Solution

The fourth proportional to 158,790,135.56, 238,006,677.90 and 80,848,260.98 is: 121,181,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,790,135.56 : 238,006,677.90 = 80,848,260.98 : x
  2. Step 2: Convert to fraction form
    158,790,135.56/238,006,677.90 = 80,848,260.98/x
  3. Step 3: Cross multiply
    158,790,135.56x = 238,006,677.90 × 80,848,260.98
  4. Step 4: Simplify right side
    158,790,135.56x = 19,242,426,009,842,000
  5. Step 5: Solve for x
    x = 19,242,426,009,842,000/158,790,135.56
  6. Step 6: Final answer
    x = 121,181,494.95

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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.