Home / 79,968,342.77-119,996,776.31-39,028,121.04

Finding the Fourth Proportional to 79,968,342.77, 119,996,776.31 and 39,028,121.04

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Solution

The fourth proportional to 79,968,342.77, 119,996,776.31 and 39,028,121.04 is: 58,563,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968,342.77 : 119,996,776.31 = 39,028,121.04 : x
  2. Step 2: Convert to fraction form
    79,968,342.77/119,996,776.31 = 39,028,121.04/x
  3. Step 3: Cross multiply
    79,968,342.77x = 119,996,776.31 × 39,028,121.04
  4. Step 4: Simplify right side
    79,968,342.77x = 4,683,248,709,591,357
  5. Step 5: Solve for x
    x = 4,683,248,709,591,357/79,968,342.77
  6. Step 6: Final answer
    x = 58,563,783.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.