Home / 187,056,010.40-280,584,015.60-106,434,442.40

Finding the Fourth Proportional to 187,056,010.40, 280,584,015.60 and 106,434,442.40

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Solution

The fourth proportional to 187,056,010.40, 280,584,015.60 and 106,434,442.40 is: 159,651,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,056,010.40 : 280,584,015.60 = 106,434,442.40 : x
  2. Step 2: Convert to fraction form
    187,056,010.40/280,584,015.60 = 106,434,442.40/x
  3. Step 3: Cross multiply
    187,056,010.40x = 280,584,015.60 × 106,434,442.40
  4. Step 4: Simplify right side
    187,056,010.40x = 29,863,803,246,738,904
  5. Step 5: Solve for x
    x = 29,863,803,246,738,904/187,056,010.40
  6. Step 6: Final answer
    x = 159,651,663.60

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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.