Home / 347,159,006.70-520,530,657.21-117,122,998.38

Finding the Fourth Proportional to 347,159,006.70, 520,530,657.21 and 117,122,998.38

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Solution

The fourth proportional to 347,159,006.70, 520,530,657.21 and 117,122,998.38 is: 175,614,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,159,006.70 : 520,530,657.21 = 117,122,998.38 : x
  2. Step 2: Convert to fraction form
    347,159,006.70/520,530,657.21 = 117,122,998.38/x
  3. Step 3: Cross multiply
    347,159,006.70x = 520,530,657.21 × 117,122,998.38
  4. Step 4: Simplify right side
    347,159,006.70x = 60,966,111,321,147,160
  5. Step 5: Solve for x
    x = 60,966,111,321,147,160/347,159,006.70
  6. Step 6: Final answer
    x = 175,614,373.08

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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.