Home / 77,182,673.23-106,507,317.04-42,375,168.55

Finding the Fourth Proportional to 77,182,673.23, 106,507,317.04 and 42,375,168.55

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Solution

The fourth proportional to 77,182,673.23, 106,507,317.04 and 42,375,168.55 is: 58,475,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,182,673.23 : 106,507,317.04 = 42,375,168.55 : x
  2. Step 2: Convert to fraction form
    77,182,673.23/106,507,317.04 = 42,375,168.55/x
  3. Step 3: Cross multiply
    77,182,673.23x = 106,507,317.04 × 42,375,168.55
  4. Step 4: Simplify right side
    77,182,673.23x = 4,513,265,511,378,287
  5. Step 5: Solve for x
    x = 4,513,265,511,378,287/77,182,673.23
  6. Step 6: Final answer
    x = 58,475,112.65

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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.