Home / 209,953,023.60-315,086,999.40-107,664,409.20

Finding the Fourth Proportional to 209,953,023.60, 315,086,999.40 and 107,664,409.20

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Solution

The fourth proportional to 209,953,023.60, 315,086,999.40 and 107,664,409.20 is: 161,577,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,023.60 : 315,086,999.40 = 107,664,409.20 : x
  2. Step 2: Convert to fraction form
    209,953,023.60/315,086,999.40 = 107,664,409.20/x
  3. Step 3: Cross multiply
    209,953,023.60x = 315,086,999.40 × 107,664,409.20
  4. Step 4: Simplify right side
    209,953,023.60x = 33,923,655,637,001,752
  5. Step 5: Solve for x
    x = 33,923,655,637,001,752/209,953,023.60
  6. Step 6: Final answer
    x = 161,577,361.71

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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.