Home / 216,219,928.72-324,385,177.71-62,865,985.16

Finding the Fourth Proportional to 216,219,928.72, 324,385,177.71 and 62,865,985.16

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Solution

The fourth proportional to 216,219,928.72, 324,385,177.71 and 62,865,985.16 is: 94,315,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219,928.72 : 324,385,177.71 = 62,865,985.16 : x
  2. Step 2: Convert to fraction form
    216,219,928.72/324,385,177.71 = 62,865,985.16/x
  3. Step 3: Cross multiply
    216,219,928.72x = 324,385,177.71 × 62,865,985.16
  4. Step 4: Simplify right side
    216,219,928.72x = 20,392,793,768,040,820
  5. Step 5: Solve for x
    x = 20,392,793,768,040,820/216,219,928.72
  6. Step 6: Final answer
    x = 94,315,051.76

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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.