Home / 55,215,386.64-76,200,642.62-30,435,517.59

Finding the Fourth Proportional to 55,215,386.64, 76,200,642.62 and 30,435,517.59

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Solution

The fourth proportional to 55,215,386.64, 76,200,642.62 and 30,435,517.59 is: 42,002,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215,386.64 : 76,200,642.62 = 30,435,517.59 : x
  2. Step 2: Convert to fraction form
    55,215,386.64/76,200,642.62 = 30,435,517.59/x
  3. Step 3: Cross multiply
    55,215,386.64x = 76,200,642.62 × 30,435,517.59
  4. Step 4: Simplify right side
    55,215,386.64x = 2,319,205,998,830,314
  5. Step 5: Solve for x
    x = 2,319,205,998,830,314/55,215,386.64
  6. Step 6: Final answer
    x = 42,002,893.40

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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.