Home / 186,789,789.20-280,184,683.80-118,933,302.80

Finding the Fourth Proportional to 186,789,789.20, 280,184,683.80 and 118,933,302.80

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Solution

The fourth proportional to 186,789,789.20, 280,184,683.80 and 118,933,302.80 is: 178,399,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,789.20 : 280,184,683.80 = 118,933,302.80 : x
  2. Step 2: Convert to fraction form
    186,789,789.20/280,184,683.80 = 118,933,302.80/x
  3. Step 3: Cross multiply
    186,789,789.20x = 280,184,683.80 × 118,933,302.80
  4. Step 4: Simplify right side
    186,789,789.20x = 33,323,289,838,307,656
  5. Step 5: Solve for x
    x = 33,323,289,838,307,656/186,789,789.20
  6. Step 6: Final answer
    x = 178,399,954.20

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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.