Home / 148,007,339.64-204,247,655.19-81,926,420.22

Finding the Fourth Proportional to 148,007,339.64, 204,247,655.19 and 81,926,420.22

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Solution

The fourth proportional to 148,007,339.64, 204,247,655.19 and 81,926,420.22 is: 113,057,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,007,339.64 : 204,247,655.19 = 81,926,420.22 : x
  2. Step 2: Convert to fraction form
    148,007,339.64/204,247,655.19 = 81,926,420.22/x
  3. Step 3: Cross multiply
    148,007,339.64x = 204,247,655.19 × 81,926,420.22
  4. Step 4: Simplify right side
    148,007,339.64x = 16,733,279,228,045,604
  5. Step 5: Solve for x
    x = 16,733,279,228,045,604/148,007,339.64
  6. Step 6: Final answer
    x = 113,057,090.74

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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.