Home / 186,624,748.70-279,937,123.05-141,275,116.70

Finding the Fourth Proportional to 186,624,748.70, 279,937,123.05 and 141,275,116.70

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Solution

The fourth proportional to 186,624,748.70, 279,937,123.05 and 141,275,116.70 is: 211,912,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,748.70 : 279,937,123.05 = 141,275,116.70 : x
  2. Step 2: Convert to fraction form
    186,624,748.70/279,937,123.05 = 141,275,116.70/x
  3. Step 3: Cross multiply
    186,624,748.70x = 279,937,123.05 × 141,275,116.70
  4. Step 4: Simplify right side
    186,624,748.70x = 39,548,149,727,551,008
  5. Step 5: Solve for x
    x = 39,548,149,727,551,008/186,624,748.70
  6. Step 6: Final answer
    x = 211,912,675.05

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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.