Home / 43,468,670.40-65,203,005.60-20,793,854.40

Finding the Fourth Proportional to 43,468,670.40, 65,203,005.60 and 20,793,854.40

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Solution

The fourth proportional to 43,468,670.40, 65,203,005.60 and 20,793,854.40 is: 31,190,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468,670.40 : 65,203,005.60 = 20,793,854.40 : x
  2. Step 2: Convert to fraction form
    43,468,670.40/65,203,005.60 = 20,793,854.40/x
  3. Step 3: Cross multiply
    43,468,670.40x = 65,203,005.60 × 20,793,854.40
  4. Step 4: Simplify right side
    43,468,670.40x = 1,355,821,804,888,784.50
  5. Step 5: Solve for x
    x = 1,355,821,804,888,784.50/43,468,670.40
  6. Step 6: Final answer
    x = 31,190,781.60

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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.