Home / 112,327,235.60-168,490,853.40-91,919,901.20

Finding the Fourth Proportional to 112,327,235.60, 168,490,853.40 and 91,919,901.20

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Solution

The fourth proportional to 112,327,235.60, 168,490,853.40 and 91,919,901.20 is: 137,879,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327,235.60 : 168,490,853.40 = 91,919,901.20 : x
  2. Step 2: Convert to fraction form
    112,327,235.60/168,490,853.40 = 91,919,901.20/x
  3. Step 3: Cross multiply
    112,327,235.60x = 168,490,853.40 × 91,919,901.20
  4. Step 4: Simplify right side
    112,327,235.60x = 15,487,662,597,631,686
  5. Step 5: Solve for x
    x = 15,487,662,597,631,686/112,327,235.60
  6. Step 6: Final answer
    x = 137,879,851.80

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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.