Home / 90,654,849.88-135,996,436.74-36,805,946.20

Finding the Fourth Proportional to 90,654,849.88, 135,996,436.74 and 36,805,946.20

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Solution

The fourth proportional to 90,654,849.88, 135,996,436.74 and 36,805,946.20 is: 55,214,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,654,849.88 : 135,996,436.74 = 36,805,946.20 : x
  2. Step 2: Convert to fraction form
    90,654,849.88/135,996,436.74 = 36,805,946.20/x
  3. Step 3: Cross multiply
    90,654,849.88x = 135,996,436.74 × 36,805,946.20
  4. Step 4: Simplify right side
    90,654,849.88x = 5,005,477,534,044,144
  5. Step 5: Solve for x
    x = 5,005,477,534,044,144/90,654,849.88
  6. Step 6: Final answer
    x = 55,214,669.05

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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.