Home / 77,558,126.33-107,026,993.74-42,275,155.57

Finding the Fourth Proportional to 77,558,126.33, 107,026,993.74 and 42,275,155.57

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Solution

The fourth proportional to 77,558,126.33, 107,026,993.74 and 42,275,155.57 is: 58,337,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558,126.33 : 107,026,993.74 = 42,275,155.57 : x
  2. Step 2: Convert to fraction form
    77,558,126.33/107,026,993.74 = 42,275,155.57/x
  3. Step 3: Cross multiply
    77,558,126.33x = 107,026,993.74 × 42,275,155.57
  4. Step 4: Simplify right side
    77,558,126.33x = 4,524,582,810,438,881
  5. Step 5: Solve for x
    x = 4,524,582,810,438,881/77,558,126.33
  6. Step 6: Final answer
    x = 58,337,959.21

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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.