Home / 76,700,331.47-114,630,226.87-55,994,373.28

Finding the Fourth Proportional to 76,700,331.47, 114,630,226.87 and 55,994,373.28

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Solution

The fourth proportional to 76,700,331.47, 114,630,226.87 and 55,994,373.28 is: 83,684,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,700,331.47 : 114,630,226.87 = 55,994,373.28 : x
  2. Step 2: Convert to fraction form
    76,700,331.47/114,630,226.87 = 55,994,373.28/x
  3. Step 3: Cross multiply
    76,700,331.47x = 114,630,226.87 × 55,994,373.28
  4. Step 4: Simplify right side
    76,700,331.47x = 6,418,647,711,956,715
  5. Step 5: Solve for x
    x = 6,418,647,711,956,715/76,700,331.47
  6. Step 6: Final answer
    x = 83,684,745.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.