Home / 78,248,887.20-117,373,330.80-37,863,453.60

Finding the Fourth Proportional to 78,248,887.20, 117,373,330.80 and 37,863,453.60

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Solution

The fourth proportional to 78,248,887.20, 117,373,330.80 and 37,863,453.60 is: 56,795,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,248,887.20 : 117,373,330.80 = 37,863,453.60 : x
  2. Step 2: Convert to fraction form
    78,248,887.20/117,373,330.80 = 37,863,453.60/x
  3. Step 3: Cross multiply
    78,248,887.20x = 117,373,330.80 × 37,863,453.60
  4. Step 4: Simplify right side
    78,248,887.20x = 4,444,159,664,623,251
  5. Step 5: Solve for x
    x = 4,444,159,664,623,251/78,248,887.20
  6. Step 6: Final answer
    x = 56,795,180.40

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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.