Home / 144,924,634.08-199,996,864.79-78,845,606.37

Finding the Fourth Proportional to 144,924,634.08, 199,996,864.79 and 78,845,606.37

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Solution

The fourth proportional to 144,924,634.08, 199,996,864.79 and 78,845,606.37 is: 108,807,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924,634.08 : 199,996,864.79 = 78,845,606.37 : x
  2. Step 2: Convert to fraction form
    144,924,634.08/199,996,864.79 = 78,845,606.37/x
  3. Step 3: Cross multiply
    144,924,634.08x = 199,996,864.79 × 78,845,606.37
  4. Step 4: Simplify right side
    144,924,634.08x = 15,768,874,076,072,226
  5. Step 5: Solve for x
    x = 15,768,874,076,072,226/144,924,634.08
  6. Step 6: Final answer
    x = 108,807,409.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.