Home / 55,715,442.69-76,887,460.40-30,935,677.47

Finding the Fourth Proportional to 55,715,442.69, 76,887,460.40 and 30,935,677.47

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Solution

The fourth proportional to 55,715,442.69, 76,887,460.40 and 30,935,677.47 is: 42,691,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715,442.69 : 76,887,460.40 = 30,935,677.47 : x
  2. Step 2: Convert to fraction form
    55,715,442.69/76,887,460.40 = 30,935,677.47/x
  3. Step 3: Cross multiply
    55,715,442.69x = 76,887,460.40 × 30,935,677.47
  4. Step 4: Simplify right side
    55,715,442.69x = 2,378,565,675,978,790.50
  5. Step 5: Solve for x
    x = 2,378,565,675,978,790.50/55,715,442.69
  6. Step 6: Final answer
    x = 42,691,317.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.