Home / 48,742,997-67,272,555.33-30,862,879.31

Finding the Fourth Proportional to 48,742,997, 67,272,555.33 and 30,862,879.31

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Solution

The fourth proportional to 48,742,997, 67,272,555.33 and 30,862,879.31 is: 42,595,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742,997 : 67,272,555.33 = 30,862,879.31 : x
  2. Step 2: Convert to fraction form
    48,742,997/67,272,555.33 = 30,862,879.31/x
  3. Step 3: Cross multiply
    48,742,997x = 67,272,555.33 × 30,862,879.31
  4. Step 4: Simplify right side
    48,742,997x = 2,076,224,756,025,087
  5. Step 5: Solve for x
    x = 2,076,224,756,025,087/48,742,997
  6. Step 6: Final answer
    x = 42,595,344.64

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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.