Home / 56,036,157.90-77,319,977.67-31,589,871.90

Finding the Fourth Proportional to 56,036,157.90, 77,319,977.67 and 31,589,871.90

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Solution

The fourth proportional to 56,036,157.90, 77,319,977.67 and 31,589,871.90 is: 43,588,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,036,157.90 : 77,319,977.67 = 31,589,871.90 : x
  2. Step 2: Convert to fraction form
    56,036,157.90/77,319,977.67 = 31,589,871.90/x
  3. Step 3: Cross multiply
    56,036,157.90x = 77,319,977.67 × 31,589,871.90
  4. Step 4: Simplify right side
    56,036,157.90x = 2,442,528,189,906,160.50
  5. Step 5: Solve for x
    x = 2,442,528,189,906,160.50/56,036,157.90
  6. Step 6: Final answer
    x = 43,588,430.78

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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.