Home / 169,545,048.98-253,977,060.20-77,301,899.66

Finding the Fourth Proportional to 169,545,048.98, 253,977,060.20 and 77,301,899.66

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Solution

The fourth proportional to 169,545,048.98, 253,977,060.20 and 77,301,899.66 is: 115,797,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,545,048.98 : 253,977,060.20 = 77,301,899.66 : x
  2. Step 2: Convert to fraction form
    169,545,048.98/253,977,060.20 = 77,301,899.66/x
  3. Step 3: Cross multiply
    169,545,048.98x = 253,977,060.20 × 77,301,899.66
  4. Step 4: Simplify right side
    169,545,048.98x = 19,632,909,223,770,612
  5. Step 5: Solve for x
    x = 19,632,909,223,770,612/169,545,048.98
  6. Step 6: Final answer
    x = 115,797,596.82

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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.