Home / 218,700,637.60-328,098,195.60-65,362,194.40

Finding the Fourth Proportional to 218,700,637.60, 328,098,195.60 and 65,362,194.40

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Solution

The fourth proportional to 218,700,637.60, 328,098,195.60 and 65,362,194.40 is: 98,057,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,700,637.60 : 328,098,195.60 = 65,362,194.40 : x
  2. Step 2: Convert to fraction form
    218,700,637.60/328,098,195.60 = 65,362,194.40/x
  3. Step 3: Cross multiply
    218,700,637.60x = 328,098,195.60 × 65,362,194.40
  4. Step 4: Simplify right side
    218,700,637.60x = 21,445,218,043,096,424
  5. Step 5: Solve for x
    x = 21,445,218,043,096,424/218,700,637.60
  6. Step 6: Final answer
    x = 98,057,409.79

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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.