Home / 55,012,180.34-75,916,824.82-30,565,894.34

Finding the Fourth Proportional to 55,012,180.34, 75,916,824.82 and 30,565,894.34

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Solution

The fourth proportional to 55,012,180.34, 75,916,824.82 and 30,565,894.34 is: 42,180,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,180.34 : 75,916,824.82 = 30,565,894.34 : x
  2. Step 2: Convert to fraction form
    55,012,180.34/75,916,824.82 = 30,565,894.34/x
  3. Step 3: Cross multiply
    55,012,180.34x = 75,916,824.82 × 30,565,894.34
  4. Step 4: Simplify right side
    55,012,180.34x = 2,320,465,646,076,409.50
  5. Step 5: Solve for x
    x = 2,320,465,646,076,409.50/55,012,180.34
  6. Step 6: Final answer
    x = 42,180,943.05

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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.