Home / 186,351,931.72-257,177,171.37-102,719,873.71

Finding the Fourth Proportional to 186,351,931.72, 257,177,171.37 and 102,719,873.71

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Solution

The fourth proportional to 186,351,931.72, 257,177,171.37 and 102,719,873.71 is: 141,759,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351,931.72 : 257,177,171.37 = 102,719,873.71 : x
  2. Step 2: Convert to fraction form
    186,351,931.72/257,177,171.37 = 102,719,873.71/x
  3. Step 3: Cross multiply
    186,351,931.72x = 257,177,171.37 × 102,719,873.71
  4. Step 4: Simplify right side
    186,351,931.72x = 26,417,206,564,221,428
  5. Step 5: Solve for x
    x = 26,417,206,564,221,428/186,351,931.72
  6. Step 6: Final answer
    x = 141,759,767.77

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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.