Home / 186,624,609.40-279,936,914.10-168,484,756.60

Finding the Fourth Proportional to 186,624,609.40, 279,936,914.10 and 168,484,756.60

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Solution

The fourth proportional to 186,624,609.40, 279,936,914.10 and 168,484,756.60 is: 252,727,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,609.40 : 279,936,914.10 = 168,484,756.60 : x
  2. Step 2: Convert to fraction form
    186,624,609.40/279,936,914.10 = 168,484,756.60/x
  3. Step 3: Cross multiply
    186,624,609.40x = 279,936,914.10 × 168,484,756.60
  4. Step 4: Simplify right side
    186,624,609.40x = 47,165,102,835,493,608
  5. Step 5: Solve for x
    x = 47,165,102,835,493,608/186,624,609.40
  6. Step 6: Final answer
    x = 252,727,134.90

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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.