Home / 186,640,133.40-279,960,200.10-168,500,280.60

Finding the Fourth Proportional to 186,640,133.40, 279,960,200.10 and 168,500,280.60

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Solution

The fourth proportional to 186,640,133.40, 279,960,200.10 and 168,500,280.60 is: 252,750,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,640,133.40 : 279,960,200.10 = 168,500,280.60 : x
  2. Step 2: Convert to fraction form
    186,640,133.40/279,960,200.10 = 168,500,280.60/x
  3. Step 3: Cross multiply
    186,640,133.40x = 279,960,200.10 × 168,500,280.60
  4. Step 4: Simplify right side
    186,640,133.40x = 47,173,372,273,682,152
  5. Step 5: Solve for x
    x = 47,173,372,273,682,152/186,640,133.40
  6. Step 6: Final answer
    x = 252,750,420.90

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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.