Home / 53,902,144.80-80,853,217.20-19,816,437.60

Finding the Fourth Proportional to 53,902,144.80, 80,853,217.20 and 19,816,437.60

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Solution

The fourth proportional to 53,902,144.80, 80,853,217.20 and 19,816,437.60 is: 29,724,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902,144.80 : 80,853,217.20 = 19,816,437.60 : x
  2. Step 2: Convert to fraction form
    53,902,144.80/80,853,217.20 = 19,816,437.60/x
  3. Step 3: Cross multiply
    53,902,144.80x = 80,853,217.20 × 19,816,437.60
  4. Step 4: Simplify right side
    53,902,144.80x = 1,602,222,733,403,047
  5. Step 5: Solve for x
    x = 1,602,222,733,403,047/53,902,144.80
  6. Step 6: Final answer
    x = 29,724,656.40

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Similar ratio
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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.