Home / 208,542,862.80-312,814,294.20-160,264,400.40

Finding the Fourth Proportional to 208,542,862.80, 312,814,294.20 and 160,264,400.40

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Solution

The fourth proportional to 208,542,862.80, 312,814,294.20 and 160,264,400.40 is: 240,396,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,542,862.80 : 312,814,294.20 = 160,264,400.40 : x
  2. Step 2: Convert to fraction form
    208,542,862.80/312,814,294.20 = 160,264,400.40/x
  3. Step 3: Cross multiply
    208,542,862.80x = 312,814,294.20 × 160,264,400.40
  4. Step 4: Simplify right side
    208,542,862.80x = 50,132,995,296,512,200
  5. Step 5: Solve for x
    x = 50,132,995,296,512,200/208,542,862.80
  6. Step 6: Final answer
    x = 240,396,600.60

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1.5x scale

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.