Home / 186,624,672.40-279,937,008.60-140,640,518.80

Finding the Fourth Proportional to 186,624,672.40, 279,937,008.60 and 140,640,518.80

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Solution

The fourth proportional to 186,624,672.40, 279,937,008.60 and 140,640,518.80 is: 210,960,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,672.40 : 279,937,008.60 = 140,640,518.80 : x
  2. Step 2: Convert to fraction form
    186,624,672.40/279,937,008.60 = 140,640,518.80/x
  3. Step 3: Cross multiply
    186,624,672.40x = 279,937,008.60 × 140,640,518.80
  4. Step 4: Simplify right side
    186,624,672.40x = 39,370,486,120,824,072
  5. Step 5: Solve for x
    x = 39,370,486,120,824,072/186,624,672.40
  6. Step 6: Final answer
    x = 210,960,778.20

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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.