Home / 78,941,466.81-108,933,693.89-45,899,371.76

Finding the Fourth Proportional to 78,941,466.81, 108,933,693.89 and 45,899,371.76

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Solution

The fourth proportional to 78,941,466.81, 108,933,693.89 and 45,899,371.76 is: 63,337,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941,466.81 : 108,933,693.89 = 45,899,371.76 : x
  2. Step 2: Convert to fraction form
    78,941,466.81/108,933,693.89 = 45,899,371.76/x
  3. Step 3: Cross multiply
    78,941,466.81x = 108,933,693.89 × 45,899,371.76
  4. Step 4: Simplify right side
    78,941,466.81x = 4,999,988,112,272,986
  5. Step 5: Solve for x
    x = 4,999,988,112,272,986/78,941,466.81
  6. Step 6: Final answer
    x = 63,337,917.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.