Home / 113,429,157.60-170,349,022.80-99,320,383.20

Finding the Fourth Proportional to 113,429,157.60, 170,349,022.80 and 99,320,383.20

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Solution

The fourth proportional to 113,429,157.60, 170,349,022.80 and 99,320,383.20 is: 149,160,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429,157.60 : 170,349,022.80 = 99,320,383.20 : x
  2. Step 2: Convert to fraction form
    113,429,157.60/170,349,022.80 = 99,320,383.20/x
  3. Step 3: Cross multiply
    113,429,157.60x = 170,349,022.80 × 99,320,383.20
  4. Step 4: Simplify right side
    113,429,157.60x = 16,919,130,222,241,538
  5. Step 5: Solve for x
    x = 16,919,130,222,241,538/113,429,157.60
  6. Step 6: Final answer
    x = 149,160,326.85

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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.