Home / 470,167,342.80-705,251,014.20-125,155,845.60

Finding the Fourth Proportional to 470,167,342.80, 705,251,014.20 and 125,155,845.60

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Solution

The fourth proportional to 470,167,342.80, 705,251,014.20 and 125,155,845.60 is: 187,733,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,167,342.80 : 705,251,014.20 = 125,155,845.60 : x
  2. Step 2: Convert to fraction form
    470,167,342.80/705,251,014.20 = 125,155,845.60/x
  3. Step 3: Cross multiply
    470,167,342.80x = 705,251,014.20 × 125,155,845.60
  4. Step 4: Simplify right side
    470,167,342.80x = 88,266,287,042,458,608
  5. Step 5: Solve for x
    x = 88,266,287,042,458,608/470,167,342.80
  6. Step 6: Final answer
    x = 187,733,768.40

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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.