Home / 77,567,684.18-107,044,126.25-42,761,620.22

Finding the Fourth Proportional to 77,567,684.18, 107,044,126.25 and 42,761,620.22

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Solution

The fourth proportional to 77,567,684.18, 107,044,126.25 and 42,761,620.22 is: 59,011,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567,684.18 : 107,044,126.25 = 42,761,620.22 : x
  2. Step 2: Convert to fraction form
    77,567,684.18/107,044,126.25 = 42,761,620.22/x
  3. Step 3: Cross multiply
    77,567,684.18x = 107,044,126.25 × 42,761,620.22
  4. Step 4: Simplify right side
    77,567,684.18x = 4,577,380,272,735,205
  5. Step 5: Solve for x
    x = 4,577,380,272,735,205/77,567,684.18
  6. Step 6: Final answer
    x = 59,011,433.97

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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.