Home / 208,542,847.80-312,814,271.70-160,264,385.40

Finding the Fourth Proportional to 208,542,847.80, 312,814,271.70 and 160,264,385.40

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Solution

The fourth proportional to 208,542,847.80, 312,814,271.70 and 160,264,385.40 is: 240,396,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,542,847.80 : 312,814,271.70 = 160,264,385.40 : x
  2. Step 2: Convert to fraction form
    208,542,847.80/312,814,271.70 = 160,264,385.40/x
  3. Step 3: Cross multiply
    208,542,847.80x = 312,814,271.70 × 160,264,385.40
  4. Step 4: Simplify right side
    208,542,847.80x = 50,132,986,998,349,112
  5. Step 5: Solve for x
    x = 50,132,986,998,349,112/208,542,847.80
  6. Step 6: Final answer
    x = 240,396,578.10

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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.