Home / 169,545,051.98-253,977,064.70-77,301,902.66

Finding the Fourth Proportional to 169,545,051.98, 253,977,064.70 and 77,301,902.66

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Solution

The fourth proportional to 169,545,051.98, 253,977,064.70 and 77,301,902.66 is: 115,797,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,545,051.98 : 253,977,064.70 = 77,301,902.66 : x
  2. Step 2: Convert to fraction form
    169,545,051.98/253,977,064.70 = 77,301,902.66/x
  3. Step 3: Cross multiply
    169,545,051.98x = 253,977,064.70 × 77,301,902.66
  4. Step 4: Simplify right side
    169,545,051.98x = 19,632,910,333,311,920
  5. Step 5: Solve for x
    x = 19,632,910,333,311,920/169,545,051.98
  6. Step 6: Final answer
    x = 115,797,601.31

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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.