Home / 55,348,345.41-76,380,268.33-30,570,230.91

Finding the Fourth Proportional to 55,348,345.41, 76,380,268.33 and 30,570,230.91

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Solution

The fourth proportional to 55,348,345.41, 76,380,268.33 and 30,570,230.91 is: 42,186,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348,345.41 : 76,380,268.33 = 30,570,230.91 : x
  2. Step 2: Convert to fraction form
    55,348,345.41/76,380,268.33 = 30,570,230.91/x
  3. Step 3: Cross multiply
    55,348,345.41x = 76,380,268.33 × 30,570,230.91
  4. Step 4: Simplify right side
    55,348,345.41x = 2,334,962,439,538,902.50
  5. Step 5: Solve for x
    x = 2,334,962,439,538,902.50/55,348,345.41
  6. Step 6: Final answer
    x = 42,186,671.03

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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.