Home / 77,340,917.61-106,728,335.91-42,533,604.29

Finding the Fourth Proportional to 77,340,917.61, 106,728,335.91 and 42,533,604.29

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Solution

The fourth proportional to 77,340,917.61, 106,728,335.91 and 42,533,604.29 is: 58,695,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340,917.61 : 106,728,335.91 = 42,533,604.29 : x
  2. Step 2: Convert to fraction form
    77,340,917.61/106,728,335.91 = 42,533,604.29/x
  3. Step 3: Cross multiply
    77,340,917.61x = 106,728,335.91 × 42,533,604.29
  4. Step 4: Simplify right side
    77,340,917.61x = 4,539,540,806,392,957
  5. Step 5: Solve for x
    x = 4,539,540,806,392,957/77,340,917.61
  6. Step 6: Final answer
    x = 58,695,202.32

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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.