Home / 77,001,658.83-115,502,685.14-19,493,936.15

Finding the Fourth Proportional to 77,001,658.83, 115,502,685.14 and 19,493,936.15

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Solution

The fourth proportional to 77,001,658.83, 115,502,685.14 and 19,493,936.15 is: 29,240,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001,658.83 : 115,502,685.14 = 19,493,936.15 : x
  2. Step 2: Convert to fraction form
    77,001,658.83/115,502,685.14 = 19,493,936.15/x
  3. Step 3: Cross multiply
    77,001,658.83x = 115,502,685.14 × 19,493,936.15
  4. Step 4: Simplify right side
    77,001,658.83x = 2,251,601,968,743,935.25
  5. Step 5: Solve for x
    x = 2,251,601,968,743,935.25/77,001,658.83
  6. Step 6: Final answer
    x = 29,240,954.06

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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.