Home / 78,400,262.64-117,592,731.09-23,813,322.21

Finding the Fourth Proportional to 78,400,262.64, 117,592,731.09 and 23,813,322.21

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Solution

The fourth proportional to 78,400,262.64, 117,592,731.09 and 23,813,322.21 is: 35,717,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,400,262.64 : 117,592,731.09 = 23,813,322.21 : x
  2. Step 2: Convert to fraction form
    78,400,262.64/117,592,731.09 = 23,813,322.21/x
  3. Step 3: Cross multiply
    78,400,262.64x = 117,592,731.09 × 23,813,322.21
  4. Step 4: Simplify right side
    78,400,262.64x = 2,800,273,595,000,054.50
  5. Step 5: Solve for x
    x = 2,800,273,595,000,054.50/78,400,262.64
  6. Step 6: Final answer
    x = 35,717,655.79

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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.