Home / 55,840,873.20-77,065,058.88-31,065,727.20

Finding the Fourth Proportional to 55,840,873.20, 77,065,058.88 and 31,065,727.20

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Solution

The fourth proportional to 55,840,873.20, 77,065,058.88 and 31,065,727.20 is: 42,873,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840,873.20 : 77,065,058.88 = 31,065,727.20 : x
  2. Step 2: Convert to fraction form
    55,840,873.20/77,065,058.88 = 31,065,727.20/x
  3. Step 3: Cross multiply
    55,840,873.20x = 77,065,058.88 × 31,065,727.20
  4. Step 4: Simplify right side
    55,840,873.20x = 2,394,082,095,818,017.50
  5. Step 5: Solve for x
    x = 2,394,082,095,818,017.50/55,840,873.20
  6. Step 6: Final answer
    x = 42,873,292.60

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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.