Home / 55,989,631.20-77,270,284.08-31,544,997.60

Finding the Fourth Proportional to 55,989,631.20, 77,270,284.08 and 31,544,997.60

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Solution

The fourth proportional to 55,989,631.20, 77,270,284.08 and 31,544,997.60 is: 43,534,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989,631.20 : 77,270,284.08 = 31,544,997.60 : x
  2. Step 2: Convert to fraction form
    55,989,631.20/77,270,284.08 = 31,544,997.60/x
  3. Step 3: Cross multiply
    55,989,631.20x = 77,270,284.08 × 31,544,997.60
  4. Step 4: Simplify right side
    55,989,631.20x = 2,437,490,925,854,918.50
  5. Step 5: Solve for x
    x = 2,437,490,925,854,918.50/55,989,631.20
  6. Step 6: Final answer
    x = 43,534,684.43

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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.