Home / 53,902,186.80-80,853,280.20-19,816,479.60

Finding the Fourth Proportional to 53,902,186.80, 80,853,280.20 and 19,816,479.60

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Solution

The fourth proportional to 53,902,186.80, 80,853,280.20 and 19,816,479.60 is: 29,724,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902,186.80 : 80,853,280.20 = 19,816,479.60 : x
  2. Step 2: Convert to fraction form
    53,902,186.80/80,853,280.20 = 19,816,479.60/x
  3. Step 3: Cross multiply
    53,902,186.80x = 80,853,280.20 × 19,816,479.60
  4. Step 4: Simplify right side
    53,902,186.80x = 1,602,227,377,676,384
  5. Step 5: Solve for x
    x = 1,602,227,377,676,384/53,902,186.80
  6. Step 6: Final answer
    x = 29,724,719.40

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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.