Home / 77,533,005.33-106,994,161.69-42,251,116.95

Finding the Fourth Proportional to 77,533,005.33, 106,994,161.69 and 42,251,116.95

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Solution

The fourth proportional to 77,533,005.33, 106,994,161.69 and 42,251,116.95 is: 58,305,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533,005.33 : 106,994,161.69 = 42,251,116.95 : x
  2. Step 2: Convert to fraction form
    77,533,005.33/106,994,161.69 = 42,251,116.95/x
  3. Step 3: Cross multiply
    77,533,005.33x = 106,994,161.69 × 42,251,116.95
  4. Step 4: Simplify right side
    77,533,005.33x = 4,520,622,838,425,772
  5. Step 5: Solve for x
    x = 4,520,622,838,425,772/77,533,005.33
  6. Step 6: Final answer
    x = 58,305,786.28

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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.