Home / 262,440,619.20-393,660,928.80-160,403,947.20

Finding the Fourth Proportional to 262,440,619.20, 393,660,928.80 and 160,403,947.20

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Solution

The fourth proportional to 262,440,619.20, 393,660,928.80 and 160,403,947.20 is: 240,605,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,619.20 : 393,660,928.80 = 160,403,947.20 : x
  2. Step 2: Convert to fraction form
    262,440,619.20/393,660,928.80 = 160,403,947.20/x
  3. Step 3: Cross multiply
    262,440,619.20x = 393,660,928.80 × 160,403,947.20
  4. Step 4: Simplify right side
    262,440,619.20x = 63,144,766,837,938,160
  5. Step 5: Solve for x
    x = 63,144,766,837,938,160/262,440,619.20
  6. Step 6: Final answer
    x = 240,605,920.80

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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.