Home / 155,359,501.34-214,395,055.74-85,744,880.17

Finding the Fourth Proportional to 155,359,501.34, 214,395,055.74 and 85,744,880.17

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Solution

The fourth proportional to 155,359,501.34, 214,395,055.74 and 85,744,880.17 is: 118,327,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,359,501.34 : 214,395,055.74 = 85,744,880.17 : x
  2. Step 2: Convert to fraction form
    155,359,501.34/214,395,055.74 = 85,744,880.17/x
  3. Step 3: Cross multiply
    155,359,501.34x = 214,395,055.74 × 85,744,880.17
  4. Step 4: Simplify right side
    155,359,501.34x = 18,383,278,362,930,784
  5. Step 5: Solve for x
    x = 18,383,278,362,930,784/155,359,501.34
  6. Step 6: Final answer
    x = 118,327,351.75

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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.