Home / 172,490,458.84-238,035,588.98-94,174,011.62

Finding the Fourth Proportional to 172,490,458.84, 238,035,588.98 and 94,174,011.62

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Solution

The fourth proportional to 172,490,458.84, 238,035,588.98 and 94,174,011.62 is: 129,959,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,490,458.84 : 238,035,588.98 = 94,174,011.62 : x
  2. Step 2: Convert to fraction form
    172,490,458.84/238,035,588.98 = 94,174,011.62/x
  3. Step 3: Cross multiply
    172,490,458.84x = 238,035,588.98 × 94,174,011.62
  4. Step 4: Simplify right side
    172,490,458.84x = 22,416,766,321,807,652
  5. Step 5: Solve for x
    x = 22,416,766,321,807,652/172,490,458.84
  6. Step 6: Final answer
    x = 129,959,456.73

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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.