Home / 55,385,931.54-76,437,187.77-30,610,955.85

Finding the Fourth Proportional to 55,385,931.54, 76,437,187.77 and 30,610,955.85

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Solution

The fourth proportional to 55,385,931.54, 76,437,187.77 and 30,610,955.85 is: 42,245,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,931.54 : 76,437,187.77 = 30,610,955.85 : x
  2. Step 2: Convert to fraction form
    55,385,931.54/76,437,187.77 = 30,610,955.85/x
  3. Step 3: Cross multiply
    55,385,931.54x = 76,437,187.77 × 30,610,955.85
  4. Step 4: Simplify right side
    55,385,931.54x = 2,339,815,380,125,630
  5. Step 5: Solve for x
    x = 2,339,815,380,125,630/55,385,931.54
  6. Step 6: Final answer
    x = 42,245,662.66

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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.