Home / 55,552,669-76,663,296.22-30,773,235.40

Finding the Fourth Proportional to 55,552,669, 76,663,296.22 and 30,773,235.40

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Solution

The fourth proportional to 55,552,669, 76,663,296.22 and 30,773,235.40 is: 42,467,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,552,669 : 76,663,296.22 = 30,773,235.40 : x
  2. Step 2: Convert to fraction form
    55,552,669/76,663,296.22 = 30,773,235.40/x
  3. Step 3: Cross multiply
    55,552,669x = 76,663,296.22 × 30,773,235.40
  4. Step 4: Simplify right side
    55,552,669x = 2,359,177,661,117,990
  5. Step 5: Solve for x
    x = 2,359,177,661,117,990/55,552,669
  6. Step 6: Final answer
    x = 42,467,404.42

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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.