Home / 159,084,527.40-219,566,781.54-99,573,419.16

Finding the Fourth Proportional to 159,084,527.40, 219,566,781.54 and 99,573,419.16

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Solution

The fourth proportional to 159,084,527.40, 219,566,781.54 and 99,573,419.16 is: 137,430,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,084,527.40 : 219,566,781.54 = 99,573,419.16 : x
  2. Step 2: Convert to fraction form
    159,084,527.40/219,566,781.54 = 99,573,419.16/x
  3. Step 3: Cross multiply
    159,084,527.40x = 219,566,781.54 × 99,573,419.16
  4. Step 4: Simplify right side
    159,084,527.40x = 21,863,015,171,894,568
  5. Step 5: Solve for x
    x = 21,863,015,171,894,568/159,084,527.40
  6. Step 6: Final answer
    x = 137,430,179.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.