Home / 110,290,120.40-165,435,180.60-103,487,675.60

Finding the Fourth Proportional to 110,290,120.40, 165,435,180.60 and 103,487,675.60

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Solution

The fourth proportional to 110,290,120.40, 165,435,180.60 and 103,487,675.60 is: 155,231,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,290,120.40 : 165,435,180.60 = 103,487,675.60 : x
  2. Step 2: Convert to fraction form
    110,290,120.40/165,435,180.60 = 103,487,675.60/x
  3. Step 3: Cross multiply
    110,290,120.40x = 165,435,180.60 × 103,487,675.60
  4. Step 4: Simplify right side
    110,290,120.40x = 17,120,502,302,760,212
  5. Step 5: Solve for x
    x = 17,120,502,302,760,212/110,290,120.40
  6. Step 6: Final answer
    x = 155,231,513.40

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1.5x scale

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.