Home / 38,088,036.60-57,132,054.90-20,172,132.60

Finding the Fourth Proportional to 38,088,036.60, 57,132,054.90 and 20,172,132.60

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Solution

The fourth proportional to 38,088,036.60, 57,132,054.90 and 20,172,132.60 is: 30,258,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088,036.60 : 57,132,054.90 = 20,172,132.60 : x
  2. Step 2: Convert to fraction form
    38,088,036.60/57,132,054.90 = 20,172,132.60/x
  3. Step 3: Cross multiply
    38,088,036.60x = 57,132,054.90 × 20,172,132.60
  4. Step 4: Simplify right side
    38,088,036.60x = 1,152,475,387,153,279.75
  5. Step 5: Solve for x
    x = 1,152,475,387,153,279.75/38,088,036.60
  6. Step 6: Final answer
    x = 30,258,198.90

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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.