Home / 252,658,045.80-378,987,068.70-61,181,821.80

Finding the Fourth Proportional to 252,658,045.80, 378,987,068.70 and 61,181,821.80

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Solution

The fourth proportional to 252,658,045.80, 378,987,068.70 and 61,181,821.80 is: 91,772,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,658,045.80 : 378,987,068.70 = 61,181,821.80 : x
  2. Step 2: Convert to fraction form
    252,658,045.80/378,987,068.70 = 61,181,821.80/x
  3. Step 3: Cross multiply
    252,658,045.80x = 378,987,068.70 × 61,181,821.80
  4. Step 4: Simplify right side
    252,658,045.80x = 23,187,119,301,707,756
  5. Step 5: Solve for x
    x = 23,187,119,301,707,756/252,658,045.80
  6. Step 6: Final answer
    x = 91,772,732.70

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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.