Home / 110,174,547.60-165,120,103.80-66,997,918.80

Finding the Fourth Proportional to 110,174,547.60, 165,120,103.80 and 66,997,918.80

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Solution

The fourth proportional to 110,174,547.60, 165,120,103.80 and 66,997,918.80 is: 100,410,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,174,547.60 : 165,120,103.80 = 66,997,918.80 : x
  2. Step 2: Convert to fraction form
    110,174,547.60/165,120,103.80 = 66,997,918.80/x
  3. Step 3: Cross multiply
    110,174,547.60x = 165,120,103.80 × 66,997,918.80
  4. Step 4: Simplify right side
    110,174,547.60x = 11,062,703,306,639,972
  5. Step 5: Solve for x
    x = 11,062,703,306,639,972/110,174,547.60
  6. Step 6: Final answer
    x = 100,410,698.73

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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.