Home / 186,423,817.78-279,716,365.42-100,061,333.74

Finding the Fourth Proportional to 186,423,817.78, 279,716,365.42 and 100,061,333.74

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Solution

The fourth proportional to 186,423,817.78, 279,716,365.42 and 100,061,333.74 is: 150,135,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423,817.78 : 279,716,365.42 = 100,061,333.74 : x
  2. Step 2: Convert to fraction form
    186,423,817.78/279,716,365.42 = 100,061,333.74/x
  3. Step 3: Cross multiply
    186,423,817.78x = 279,716,365.42 × 100,061,333.74
  4. Step 4: Simplify right side
    186,423,817.78x = 27,988,792,592,830,416
  5. Step 5: Solve for x
    x = 27,988,792,592,830,416/186,423,817.78
  6. Step 6: Final answer
    x = 150,135,282.75

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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.