Home / 186,915,921.80-280,373,882.70-65,731,627.40

Finding the Fourth Proportional to 186,915,921.80, 280,373,882.70 and 65,731,627.40

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Solution

The fourth proportional to 186,915,921.80, 280,373,882.70 and 65,731,627.40 is: 98,597,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,915,921.80 : 280,373,882.70 = 65,731,627.40 : x
  2. Step 2: Convert to fraction form
    186,915,921.80/280,373,882.70 = 65,731,627.40/x
  3. Step 3: Cross multiply
    186,915,921.80x = 280,373,882.70 × 65,731,627.40
  4. Step 4: Simplify right side
    186,915,921.80x = 18,429,431,590,327,704
  5. Step 5: Solve for x
    x = 18,429,431,590,327,704/186,915,921.80
  6. Step 6: Final answer
    x = 98,597,441.10

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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.