Home / 205,902,296.47-308,853,196.81-52,548,369.31

Finding the Fourth Proportional to 205,902,296.47, 308,853,196.81 and 52,548,369.31

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Solution

The fourth proportional to 205,902,296.47, 308,853,196.81 and 52,548,369.31 is: 78,822,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,902,296.47 : 308,853,196.81 = 52,548,369.31 : x
  2. Step 2: Convert to fraction form
    205,902,296.47/308,853,196.81 = 52,548,369.31/x
  3. Step 3: Cross multiply
    205,902,296.47x = 308,853,196.81 × 52,548,369.31
  4. Step 4: Simplify right side
    205,902,296.47x = 16,229,731,848,545,994
  5. Step 5: Solve for x
    x = 16,229,731,848,545,994/205,902,296.47
  6. Step 6: Final answer
    x = 78,822,490.70

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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.