Home / 77,767,161.05-107,319,579.60-42,959,121.77

Finding the Fourth Proportional to 77,767,161.05, 107,319,579.60 and 42,959,121.77

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Solution

The fourth proportional to 77,767,161.05, 107,319,579.60 and 42,959,121.77 is: 59,284,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767,161.05 : 107,319,579.60 = 42,959,121.77 : x
  2. Step 2: Convert to fraction form
    77,767,161.05/107,319,579.60 = 42,959,121.77/x
  3. Step 3: Cross multiply
    77,767,161.05x = 107,319,579.60 × 42,959,121.77
  4. Step 4: Simplify right side
    77,767,161.05x = 4,610,354,887,805,010
  5. Step 5: Solve for x
    x = 4,610,354,887,805,010/77,767,161.05
  6. Step 6: Final answer
    x = 59,284,083.74

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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.