Home / 110,176,249.64-165,072,851.52-77,317,128.68

Finding the Fourth Proportional to 110,176,249.64, 165,072,851.52 and 77,317,128.68

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Solution

The fourth proportional to 110,176,249.64, 165,072,851.52 and 77,317,128.68 is: 115,841,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,176,249.64 : 165,072,851.52 = 77,317,128.68 : x
  2. Step 2: Convert to fraction form
    110,176,249.64/165,072,851.52 = 77,317,128.68/x
  3. Step 3: Cross multiply
    110,176,249.64x = 165,072,851.52 × 77,317,128.68
  4. Step 4: Simplify right side
    110,176,249.64x = 12,762,958,902,546,376
  5. Step 5: Solve for x
    x = 12,762,958,902,546,376/110,176,249.64
  6. Step 6: Final answer
    x = 115,841,290.15

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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.