Home / 87,100,972.84-130,659,598.14-25,690,191.40

Finding the Fourth Proportional to 87,100,972.84, 130,659,598.14 and 25,690,191.40

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Solution

The fourth proportional to 87,100,972.84, 130,659,598.14 and 25,690,191.40 is: 38,537,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,100,972.84 : 130,659,598.14 = 25,690,191.40 : x
  2. Step 2: Convert to fraction form
    87,100,972.84/130,659,598.14 = 25,690,191.40/x
  3. Step 3: Cross multiply
    87,100,972.84x = 130,659,598.14 × 25,690,191.40
  4. Step 4: Simplify right side
    87,100,972.84x = 3,356,670,084,463,684
  5. Step 5: Solve for x
    x = 3,356,670,084,463,684/87,100,972.84
  6. Step 6: Final answer
    x = 38,537,687.64

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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.