Home / 55,807,393.30-77,012,518.43-31,028,126.09

Finding the Fourth Proportional to 55,807,393.30, 77,012,518.43 and 31,028,126.09

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Solution

The fourth proportional to 55,807,393.30, 77,012,518.43 and 31,028,126.09 is: 42,817,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807,393.30 : 77,012,518.43 = 31,028,126.09 : x
  2. Step 2: Convert to fraction form
    55,807,393.30/77,012,518.43 = 31,028,126.09/x
  3. Step 3: Cross multiply
    55,807,393.30x = 77,012,518.43 × 31,028,126.09
  4. Step 4: Simplify right side
    55,807,393.30x = 2,389,554,132,046,997
  5. Step 5: Solve for x
    x = 2,389,554,132,046,997/55,807,393.30
  6. Step 6: Final answer
    x = 42,817,877.54

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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.