Home / 172,401,591.64-237,919,235.70-94,090,171.18

Finding the Fourth Proportional to 172,401,591.64, 237,919,235.70 and 94,090,171.18

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Solution

The fourth proportional to 172,401,591.64, 237,919,235.70 and 94,090,171.18 is: 129,847,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,401,591.64 : 237,919,235.70 = 94,090,171.18 : x
  2. Step 2: Convert to fraction form
    172,401,591.64/237,919,235.70 = 94,090,171.18/x
  3. Step 3: Cross multiply
    172,401,591.64x = 237,919,235.70 × 94,090,171.18
  4. Step 4: Simplify right side
    172,401,591.64x = 22,385,861,614,027,768
  5. Step 5: Solve for x
    x = 22,385,861,614,027,768/172,401,591.64
  6. Step 6: Final answer
    x = 129,847,186.45

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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.