Home / 48,279,233.80-72,431,681.10-20,973,809.80

Finding the Fourth Proportional to 48,279,233.80, 72,431,681.10 and 20,973,809.80

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Solution

The fourth proportional to 48,279,233.80, 72,431,681.10 and 20,973,809.80 is: 31,466,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279,233.80 : 72,431,681.10 = 20,973,809.80 : x
  2. Step 2: Convert to fraction form
    48,279,233.80/72,431,681.10 = 20,973,809.80/x
  3. Step 3: Cross multiply
    48,279,233.80x = 72,431,681.10 × 20,973,809.80
  4. Step 4: Simplify right side
    48,279,233.80x = 1,519,168,302,885,654.75
  5. Step 5: Solve for x
    x = 1,519,168,302,885,654.75/48,279,233.80
  6. Step 6: Final answer
    x = 31,466,288.57

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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.