Home / 50,543,352.72-69,792,343.80-31,991,221.20

Finding the Fourth Proportional to 50,543,352.72, 69,792,343.80 and 31,991,221.20

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Solution

The fourth proportional to 50,543,352.72, 69,792,343.80 and 31,991,221.20 is: 44,174,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543,352.72 : 69,792,343.80 = 31,991,221.20 : x
  2. Step 2: Convert to fraction form
    50,543,352.72/69,792,343.80 = 31,991,221.20/x
  3. Step 3: Cross multiply
    50,543,352.72x = 69,792,343.80 × 31,991,221.20
  4. Step 4: Simplify right side
    50,543,352.72x = 2,232,742,308,572,248.50
  5. Step 5: Solve for x
    x = 2,232,742,308,572,248.50/50,543,352.72
  6. Step 6: Final answer
    x = 44,174,796.26

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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.