Home / 55,740,549.78-83,478,891.87-28,379,605.14

Finding the Fourth Proportional to 55,740,549.78, 83,478,891.87 and 28,379,605.14

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Solution

The fourth proportional to 55,740,549.78, 83,478,891.87 and 28,379,605.14 is: 42,502,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740,549.78 : 83,478,891.87 = 28,379,605.14 : x
  2. Step 2: Convert to fraction form
    55,740,549.78/83,478,891.87 = 28,379,605.14/x
  3. Step 3: Cross multiply
    55,740,549.78x = 83,478,891.87 × 28,379,605.14
  4. Step 4: Simplify right side
    55,740,549.78x = 2,369,097,988,795,356.50
  5. Step 5: Solve for x
    x = 2,369,097,988,795,356.50/55,740,549.78
  6. Step 6: Final answer
    x = 42,502,235.77

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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.