Home / 186,624,658.40-279,936,987.60-168,484,805.60

Finding the Fourth Proportional to 186,624,658.40, 279,936,987.60 and 168,484,805.60

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Solution

The fourth proportional to 186,624,658.40, 279,936,987.60 and 168,484,805.60 is: 252,727,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,658.40 : 279,936,987.60 = 168,484,805.60 : x
  2. Step 2: Convert to fraction form
    186,624,658.40/279,936,987.60 = 168,484,805.60/x
  3. Step 3: Cross multiply
    186,624,658.40x = 279,936,987.60 × 168,484,805.60
  4. Step 4: Simplify right side
    186,624,658.40x = 47,165,128,936,035,616
  5. Step 5: Solve for x
    x = 47,165,128,936,035,616/186,624,658.40
  6. Step 6: Final answer
    x = 252,727,208.40

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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.