Home / 77,567,670.70-107,044,107.59-42,761,606.69

Finding the Fourth Proportional to 77,567,670.70, 107,044,107.59 and 42,761,606.69

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Solution

The fourth proportional to 77,567,670.70, 107,044,107.59 and 42,761,606.69 is: 59,011,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567,670.70 : 107,044,107.59 = 42,761,606.69 : x
  2. Step 2: Convert to fraction form
    77,567,670.70/107,044,107.59 = 42,761,606.69/x
  3. Step 3: Cross multiply
    77,567,670.70x = 107,044,107.59 × 42,761,606.69
  4. Step 4: Simplify right side
    77,567,670.70x = 4,577,378,027,620,138
  5. Step 5: Solve for x
    x = 4,577,378,027,620,138/77,567,670.70
  6. Step 6: Final answer
    x = 59,011,415.28

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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.