Home / 121,378,805.10-182,068,207.65-111,334,570.20

Finding the Fourth Proportional to 121,378,805.10, 182,068,207.65 and 111,334,570.20

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Solution

The fourth proportional to 121,378,805.10, 182,068,207.65 and 111,334,570.20 is: 167,001,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378,805.10 : 182,068,207.65 = 111,334,570.20 : x
  2. Step 2: Convert to fraction form
    121,378,805.10/182,068,207.65 = 111,334,570.20/x
  3. Step 3: Cross multiply
    121,378,805.10x = 182,068,207.65 × 111,334,570.20
  4. Step 4: Simplify right side
    121,378,805.10x = 20,270,485,645,797,104
  5. Step 5: Solve for x
    x = 20,270,485,645,797,104/121,378,805.10
  6. Step 6: Final answer
    x = 167,001,855.30

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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.