Home / 80,785,064.80-121,140,272.40-35,323,458.40

Finding the Fourth Proportional to 80,785,064.80, 121,140,272.40 and 35,323,458.40

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Solution

The fourth proportional to 80,785,064.80, 121,140,272.40 and 35,323,458.40 is: 52,968,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785,064.80 : 121,140,272.40 = 35,323,458.40 : x
  2. Step 2: Convert to fraction form
    80,785,064.80/121,140,272.40 = 35,323,458.40/x
  3. Step 3: Cross multiply
    80,785,064.80x = 121,140,272.40 × 35,323,458.40
  4. Step 4: Simplify right side
    80,785,064.80x = 4,279,093,372,686,068
  5. Step 5: Solve for x
    x = 4,279,093,372,686,068/80,785,064.80
  6. Step 6: Final answer
    x = 52,968,867.24

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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.