Home / 308,018,749-462,023,769.90-74,851,174.84

Finding the Fourth Proportional to 308,018,749, 462,023,769.90 and 74,851,174.84

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Solution

The fourth proportional to 308,018,749, 462,023,769.90 and 74,851,174.84 is: 112,275,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,018,749 : 462,023,769.90 = 74,851,174.84 : x
  2. Step 2: Convert to fraction form
    308,018,749/462,023,769.90 = 74,851,174.84/x
  3. Step 3: Cross multiply
    308,018,749x = 462,023,769.90 × 74,851,174.84
  4. Step 4: Simplify right side
    308,018,749x = 34,583,021,981,020,828
  5. Step 5: Solve for x
    x = 34,583,021,981,020,828/308,018,749
  6. Step 6: Final answer
    x = 112,275,704.30

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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.