Home / 55,316,588.41-76,334,891.11-30,536,243.32

Finding the Fourth Proportional to 55,316,588.41, 76,334,891.11 and 30,536,243.32

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Solution

The fourth proportional to 55,316,588.41, 76,334,891.11 and 30,536,243.32 is: 42,138,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,588.41 : 76,334,891.11 = 30,536,243.32 : x
  2. Step 2: Convert to fraction form
    55,316,588.41/76,334,891.11 = 30,536,243.32/x
  3. Step 3: Cross multiply
    55,316,588.41x = 76,334,891.11 × 30,536,243.32
  4. Step 4: Simplify right side
    55,316,588.41x = 2,330,980,808,740,665
  5. Step 5: Solve for x
    x = 2,330,980,808,740,665/55,316,588.41
  6. Step 6: Final answer
    x = 42,138,911.23

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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.