Home / 187,848,001.70-281,772,002.55-80,352,577.70

Finding the Fourth Proportional to 187,848,001.70, 281,772,002.55 and 80,352,577.70

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Solution

The fourth proportional to 187,848,001.70, 281,772,002.55 and 80,352,577.70 is: 120,528,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,848,001.70 : 281,772,002.55 = 80,352,577.70 : x
  2. Step 2: Convert to fraction form
    187,848,001.70/281,772,002.55 = 80,352,577.70/x
  3. Step 3: Cross multiply
    187,848,001.70x = 281,772,002.55 × 80,352,577.70
  4. Step 4: Simplify right side
    187,848,001.70x = 22,641,106,728,583,476
  5. Step 5: Solve for x
    x = 22,641,106,728,583,476/187,848,001.70
  6. Step 6: Final answer
    x = 120,528,866.55

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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.