Home / 216,078,713.92-324,118,901.52-52,316,197.60

Finding the Fourth Proportional to 216,078,713.92, 324,118,901.52 and 52,316,197.60

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Solution

The fourth proportional to 216,078,713.92, 324,118,901.52 and 52,316,197.60 is: 78,474,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,078,713.92 : 324,118,901.52 = 52,316,197.60 : x
  2. Step 2: Convert to fraction form
    216,078,713.92/324,118,901.52 = 52,316,197.60/x
  3. Step 3: Cross multiply
    216,078,713.92x = 324,118,901.52 × 52,316,197.60
  4. Step 4: Simplify right side
    216,078,713.92x = 16,956,668,497,815,260
  5. Step 5: Solve for x
    x = 16,956,668,497,815,260/216,078,713.92
  6. Step 6: Final answer
    x = 78,474,497.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.