Home / 48,545,999.80-72,818,999.70-19,776,452.20

Finding the Fourth Proportional to 48,545,999.80, 72,818,999.70 and 19,776,452.20

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Solution

The fourth proportional to 48,545,999.80, 72,818,999.70 and 19,776,452.20 is: 29,664,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545,999.80 : 72,818,999.70 = 19,776,452.20 : x
  2. Step 2: Convert to fraction form
    48,545,999.80/72,818,999.70 = 19,776,452.20/x
  3. Step 3: Cross multiply
    48,545,999.80x = 72,818,999.70 × 19,776,452.20
  4. Step 4: Simplify right side
    48,545,999.80x = 1,440,101,466,818,864.25
  5. Step 5: Solve for x
    x = 1,440,101,466,818,864.25/48,545,999.80
  6. Step 6: Final answer
    x = 29,664,678.30

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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.