Home / 77,877,389.58-107,466,448.86-42,588,230.82

Finding the Fourth Proportional to 77,877,389.58, 107,466,448.86 and 42,588,230.82

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Solution

The fourth proportional to 77,877,389.58, 107,466,448.86 and 42,588,230.82 is: 58,769,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,877,389.58 : 107,466,448.86 = 42,588,230.82 : x
  2. Step 2: Convert to fraction form
    77,877,389.58/107,466,448.86 = 42,588,230.82/x
  3. Step 3: Cross multiply
    77,877,389.58x = 107,466,448.86 × 42,588,230.82
  4. Step 4: Simplify right side
    77,877,389.58x = 4,576,805,929,455,406
  5. Step 5: Solve for x
    x = 4,576,805,929,455,406/77,877,389.58
  6. Step 6: Final answer
    x = 58,769,380.36

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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.