Home / 186,789,306.70-279,428,132.85-164,114,490.70

Finding the Fourth Proportional to 186,789,306.70, 279,428,132.85 and 164,114,490.70

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Solution

The fourth proportional to 186,789,306.70, 279,428,132.85 and 164,114,490.70 is: 245,507,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,306.70 : 279,428,132.85 = 164,114,490.70 : x
  2. Step 2: Convert to fraction form
    186,789,306.70/279,428,132.85 = 164,114,490.70/x
  3. Step 3: Cross multiply
    186,789,306.70x = 279,428,132.85 × 164,114,490.70
  4. Step 4: Simplify right side
    186,789,306.70x = 45,858,205,709,929,688
  5. Step 5: Solve for x
    x = 45,858,205,709,929,688/186,789,306.70
  6. Step 6: Final answer
    x = 245,507,660.58

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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.