Home / 216,780,816.39-299,153,772.92-117,659,436.59

Finding the Fourth Proportional to 216,780,816.39, 299,153,772.92 and 117,659,436.59

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Solution

The fourth proportional to 216,780,816.39, 299,153,772.92 and 117,659,436.59 is: 162,367,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,780,816.39 : 299,153,772.92 = 117,659,436.59 : x
  2. Step 2: Convert to fraction form
    216,780,816.39/299,153,772.92 = 117,659,436.59/x
  3. Step 3: Cross multiply
    216,780,816.39x = 299,153,772.92 × 117,659,436.59
  4. Step 4: Simplify right side
    216,780,816.39x = 35,198,264,373,455,932
  5. Step 5: Solve for x
    x = 35,198,264,373,455,932/216,780,816.39
  6. Step 6: Final answer
    x = 162,367,985.14

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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.