Home / 54,918,008.80-82,377,013.20-42,163,424.80

Finding the Fourth Proportional to 54,918,008.80, 82,377,013.20 and 42,163,424.80

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Solution

The fourth proportional to 54,918,008.80, 82,377,013.20 and 42,163,424.80 is: 63,245,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918,008.80 : 82,377,013.20 = 42,163,424.80 : x
  2. Step 2: Convert to fraction form
    54,918,008.80/82,377,013.20 = 42,163,424.80/x
  3. Step 3: Cross multiply
    54,918,008.80x = 82,377,013.20 × 42,163,424.80
  4. Step 4: Simplify right side
    54,918,008.80x = 3,473,297,001,306,807
  5. Step 5: Solve for x
    x = 3,473,297,001,306,807/54,918,008.80
  6. Step 6: Final answer
    x = 63,245,137.20

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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.