Home / 207,253,728.72-285,890,247.40-133,914,870.72

Finding the Fourth Proportional to 207,253,728.72, 285,890,247.40 and 133,914,870.72

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Solution

The fourth proportional to 207,253,728.72, 285,890,247.40 and 133,914,870.72 is: 184,725,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,253,728.72 : 285,890,247.40 = 133,914,870.72 : x
  2. Step 2: Convert to fraction form
    207,253,728.72/285,890,247.40 = 133,914,870.72/x
  3. Step 3: Cross multiply
    207,253,728.72x = 285,890,247.40 × 133,914,870.72
  4. Step 4: Simplify right side
    207,253,728.72x = 38,284,955,520,679,816
  5. Step 5: Solve for x
    x = 38,284,955,520,679,816/207,253,728.72
  6. Step 6: Final answer
    x = 184,725,050.58

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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.