Home / 55,809,489.24-77,017,990.68-30,692,591.28

Finding the Fourth Proportional to 55,809,489.24, 77,017,990.68 and 30,692,591.28

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Solution

The fourth proportional to 55,809,489.24, 77,017,990.68 and 30,692,591.28 is: 42,356,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,809,489.24 : 77,017,990.68 = 30,692,591.28 : x
  2. Step 2: Convert to fraction form
    55,809,489.24/77,017,990.68 = 30,692,591.28/x
  3. Step 3: Cross multiply
    55,809,489.24x = 77,017,990.68 × 30,692,591.28
  4. Step 4: Simplify right side
    55,809,489.24x = 2,363,881,709,148,089.50
  5. Step 5: Solve for x
    x = 2,363,881,709,148,089.50/55,809,489.24
  6. Step 6: Final answer
    x = 42,356,268.47

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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.