Home / 165,957,647.60-248,936,471.40-89,430,143.60

Finding the Fourth Proportional to 165,957,647.60, 248,936,471.40 and 89,430,143.60

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Solution

The fourth proportional to 165,957,647.60, 248,936,471.40 and 89,430,143.60 is: 134,145,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957,647.60 : 248,936,471.40 = 89,430,143.60 : x
  2. Step 2: Convert to fraction form
    165,957,647.60/248,936,471.40 = 89,430,143.60/x
  3. Step 3: Cross multiply
    165,957,647.60x = 248,936,471.40 × 89,430,143.60
  4. Step 4: Simplify right side
    165,957,647.60x = 22,262,424,384,579,292
  5. Step 5: Solve for x
    x = 22,262,424,384,579,292/165,957,647.60
  6. Step 6: Final answer
    x = 134,145,215.40

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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.