Home / 186,320,882.51-257,123,814.89-106,929,613.18

Finding the Fourth Proportional to 186,320,882.51, 257,123,814.89 and 106,929,613.18

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Solution

The fourth proportional to 186,320,882.51, 257,123,814.89 and 106,929,613.18 is: 147,563,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,320,882.51 : 257,123,814.89 = 106,929,613.18 : x
  2. Step 2: Convert to fraction form
    186,320,882.51/257,123,814.89 = 106,929,613.18/x
  3. Step 3: Cross multiply
    186,320,882.51x = 257,123,814.89 × 106,929,613.18
  4. Step 4: Simplify right side
    186,320,882.51x = 27,494,150,065,553,624
  5. Step 5: Solve for x
    x = 27,494,150,065,553,624/186,320,882.51
  6. Step 6: Final answer
    x = 147,563,438.38

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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.