Home / 251,398,895.32-347,089,871.12-172,146,578.88

Finding the Fourth Proportional to 251,398,895.32, 347,089,871.12 and 172,146,578.88

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Solution

The fourth proportional to 251,398,895.32, 347,089,871.12 and 172,146,578.88 is: 237,671,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,398,895.32 : 347,089,871.12 = 172,146,578.88 : x
  2. Step 2: Convert to fraction form
    251,398,895.32/347,089,871.12 = 172,146,578.88/x
  3. Step 3: Cross multiply
    251,398,895.32x = 347,089,871.12 × 172,146,578.88
  4. Step 4: Simplify right side
    251,398,895.32x = 59,750,333,877,208,112
  5. Step 5: Solve for x
    x = 59,750,333,877,208,112/251,398,895.32
  6. Step 6: Final answer
    x = 237,671,425.73

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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.