Home / 151,973,168.55-209,723,151.96-82,358,549.44

Finding the Fourth Proportional to 151,973,168.55, 209,723,151.96 and 82,358,549.44

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Solution

The fourth proportional to 151,973,168.55, 209,723,151.96 and 82,358,549.44 is: 113,654,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,168.55 : 209,723,151.96 = 82,358,549.44 : x
  2. Step 2: Convert to fraction form
    151,973,168.55/209,723,151.96 = 82,358,549.44/x
  3. Step 3: Cross multiply
    151,973,168.55x = 209,723,151.96 × 82,358,549.44
  4. Step 4: Simplify right side
    151,973,168.55x = 17,272,494,579,410,294
  5. Step 5: Solve for x
    x = 17,272,494,579,410,294/151,973,168.55
  6. Step 6: Final answer
    x = 113,654,895.43

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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.