Home / 125,655,334.40-188,483,001.60-84,840,665.60

Finding the Fourth Proportional to 125,655,334.40, 188,483,001.60 and 84,840,665.60

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Solution

The fourth proportional to 125,655,334.40, 188,483,001.60 and 84,840,665.60 is: 127,260,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655,334.40 : 188,483,001.60 = 84,840,665.60 : x
  2. Step 2: Convert to fraction form
    125,655,334.40/188,483,001.60 = 84,840,665.60/x
  3. Step 3: Cross multiply
    125,655,334.40x = 188,483,001.60 × 84,840,665.60
  4. Step 4: Simplify right side
    125,655,334.40x = 15,991,023,310,029,864
  5. Step 5: Solve for x
    x = 15,991,023,310,029,864/125,655,334.40
  6. Step 6: Final answer
    x = 127,260,998.40

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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.