Home / 55,822,072.47-77,035,369.01-30,705,174.36

Finding the Fourth Proportional to 55,822,072.47, 77,035,369.01 and 30,705,174.36

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Solution

The fourth proportional to 55,822,072.47, 77,035,369.01 and 30,705,174.36 is: 42,373,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,822,072.47 : 77,035,369.01 = 30,705,174.36 : x
  2. Step 2: Convert to fraction form
    55,822,072.47/77,035,369.01 = 30,705,174.36/x
  3. Step 3: Cross multiply
    55,822,072.47x = 77,035,369.01 × 30,705,174.36
  4. Step 4: Simplify right side
    55,822,072.47x = 2,365,384,437,185,464.50
  5. Step 5: Solve for x
    x = 2,365,384,437,185,464.50/55,822,072.47
  6. Step 6: Final answer
    x = 42,373,640.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.