Home / 347,679,838.80-521,589,742.20-102,035,998.80

Finding the Fourth Proportional to 347,679,838.80, 521,589,742.20 and 102,035,998.80

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Solution

The fourth proportional to 347,679,838.80, 521,589,742.20 and 102,035,998.80 is: 153,074,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,679,838.80 : 521,589,742.20 = 102,035,998.80 : x
  2. Step 2: Convert to fraction form
    347,679,838.80/521,589,742.20 = 102,035,998.80/x
  3. Step 3: Cross multiply
    347,679,838.80x = 521,589,742.20 × 102,035,998.80
  4. Step 4: Simplify right side
    347,679,838.80x = 53,220,930,309,211,504
  5. Step 5: Solve for x
    x = 53,220,930,309,211,504/347,679,838.80
  6. Step 6: Final answer
    x = 153,074,536.89

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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.