Home / 186,351,919.74-257,177,154.85-102,719,861.71

Finding the Fourth Proportional to 186,351,919.74, 257,177,154.85 and 102,719,861.71

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Solution

The fourth proportional to 186,351,919.74, 257,177,154.85 and 102,719,861.71 is: 141,759,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351,919.74 : 257,177,154.85 = 102,719,861.71 : x
  2. Step 2: Convert to fraction form
    186,351,919.74/257,177,154.85 = 102,719,861.71/x
  3. Step 3: Cross multiply
    186,351,919.74x = 257,177,154.85 × 102,719,861.71
  4. Step 4: Simplify right side
    186,351,919.74x = 26,417,201,780,263,512
  5. Step 5: Solve for x
    x = 26,417,201,780,263,512/186,351,919.74
  6. Step 6: Final answer
    x = 141,759,751.21

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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.