Home / 110,616,513.60-165,924,770.40-99,657,019.20

Finding the Fourth Proportional to 110,616,513.60, 165,924,770.40 and 99,657,019.20

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Solution

The fourth proportional to 110,616,513.60, 165,924,770.40 and 99,657,019.20 is: 149,485,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,616,513.60 : 165,924,770.40 = 99,657,019.20 : x
  2. Step 2: Convert to fraction form
    110,616,513.60/165,924,770.40 = 99,657,019.20/x
  3. Step 3: Cross multiply
    110,616,513.60x = 165,924,770.40 × 99,657,019.20
  4. Step 4: Simplify right side
    110,616,513.60x = 16,535,568,029,508,392
  5. Step 5: Solve for x
    x = 16,535,568,029,508,392/110,616,513.60
  6. Step 6: Final answer
    x = 149,485,528.80

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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.