Home / 146,739,938.40-220,196,998.80-55,872,712.80

Finding the Fourth Proportional to 146,739,938.40, 220,196,998.80 and 55,872,712.80

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Solution

The fourth proportional to 146,739,938.40, 220,196,998.80 and 55,872,712.80 is: 83,842,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739,938.40 : 220,196,998.80 = 55,872,712.80 : x
  2. Step 2: Convert to fraction form
    146,739,938.40/220,196,998.80 = 55,872,712.80/x
  3. Step 3: Cross multiply
    146,739,938.40x = 220,196,998.80 × 55,872,712.80
  4. Step 4: Simplify right side
    146,739,938.40x = 12,303,003,673,374,344
  5. Step 5: Solve for x
    x = 12,303,003,673,374,344/146,739,938.40
  6. Step 6: Final answer
    x = 83,842,230.05

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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.