Home / 434,485,126.80-651,727,690.20-143,397,176.40

Finding the Fourth Proportional to 434,485,126.80, 651,727,690.20 and 143,397,176.40

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Solution

The fourth proportional to 434,485,126.80, 651,727,690.20 and 143,397,176.40 is: 215,095,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,485,126.80 : 651,727,690.20 = 143,397,176.40 : x
  2. Step 2: Convert to fraction form
    434,485,126.80/651,727,690.20 = 143,397,176.40/x
  3. Step 3: Cross multiply
    434,485,126.80x = 651,727,690.20 × 143,397,176.40
  4. Step 4: Simplify right side
    434,485,126.80x = 93,455,910,556,373,968
  5. Step 5: Solve for x
    x = 93,455,910,556,373,968/434,485,126.80
  6. Step 6: Final answer
    x = 215,095,764.60

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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.