Home / 342,145,380.80-513,029,114.40-111,995,998.40

Finding the Fourth Proportional to 342,145,380.80, 513,029,114.40 and 111,995,998.40

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Solution

The fourth proportional to 342,145,380.80, 513,029,114.40 and 111,995,998.40 is: 167,932,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,380.80 : 513,029,114.40 = 111,995,998.40 : x
  2. Step 2: Convert to fraction form
    342,145,380.80/513,029,114.40 = 111,995,998.40/x
  3. Step 3: Cross multiply
    342,145,380.80x = 513,029,114.40 × 111,995,998.40
  4. Step 4: Simplify right side
    342,145,380.80x = 57,457,207,875,495,816
  5. Step 5: Solve for x
    x = 57,457,207,875,495,816/342,145,380.80
  6. Step 6: Final answer
    x = 167,932,145.51

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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.