Home / 66,054,108.52-91,149,336.24-38,178,624.50

Finding the Fourth Proportional to 66,054,108.52, 91,149,336.24 and 38,178,624.50

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Solution

The fourth proportional to 66,054,108.52, 91,149,336.24 and 38,178,624.50 is: 52,683,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054,108.52 : 91,149,336.24 = 38,178,624.50 : x
  2. Step 2: Convert to fraction form
    66,054,108.52/91,149,336.24 = 38,178,624.50/x
  3. Step 3: Cross multiply
    66,054,108.52x = 91,149,336.24 × 38,178,624.50
  4. Step 4: Simplify right side
    66,054,108.52x = 3,479,956,281,731,201.50
  5. Step 5: Solve for x
    x = 3,479,956,281,731,201.50/66,054,108.52
  6. Step 6: Final answer
    x = 52,683,419.09

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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.