Home / 43,193,813.70-64,790,720.55-40,359,461.70

Finding the Fourth Proportional to 43,193,813.70, 64,790,720.55 and 40,359,461.70

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Solution

The fourth proportional to 43,193,813.70, 64,790,720.55 and 40,359,461.70 is: 60,539,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,193,813.70 : 64,790,720.55 = 40,359,461.70 : x
  2. Step 2: Convert to fraction form
    43,193,813.70/64,790,720.55 = 40,359,461.70/x
  3. Step 3: Cross multiply
    43,193,813.70x = 64,790,720.55 × 40,359,461.70
  4. Step 4: Simplify right side
    43,193,813.70x = 2,614,918,604,553,128
  5. Step 5: Solve for x
    x = 2,614,918,604,553,128/43,193,813.70
  6. Step 6: Final answer
    x = 60,539,192.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.