Home / 77,866,142.44-107,455,973.22-43,061,190.76

Finding the Fourth Proportional to 77,866,142.44, 107,455,973.22 and 43,061,190.76

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Solution

The fourth proportional to 77,866,142.44, 107,455,973.22 and 43,061,190.76 is: 59,424,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,866,142.44 : 107,455,973.22 = 43,061,190.76 : x
  2. Step 2: Convert to fraction form
    77,866,142.44/107,455,973.22 = 43,061,190.76/x
  3. Step 3: Cross multiply
    77,866,142.44x = 107,455,973.22 × 43,061,190.76
  4. Step 4: Simplify right side
    77,866,142.44x = 4,627,182,161,127,871
  5. Step 5: Solve for x
    x = 4,627,182,161,127,871/77,866,142.44
  6. Step 6: Final answer
    x = 59,424,828.51

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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.