Home / 251,398,895.57-347,089,871.47-172,146,579.13

Finding the Fourth Proportional to 251,398,895.57, 347,089,871.47 and 172,146,579.13

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Solution

The fourth proportional to 251,398,895.57, 347,089,871.47 and 172,146,579.13 is: 237,671,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,398,895.57 : 347,089,871.47 = 172,146,579.13 : x
  2. Step 2: Convert to fraction form
    251,398,895.57/347,089,871.47 = 172,146,579.13/x
  3. Step 3: Cross multiply
    251,398,895.57x = 347,089,871.47 × 172,146,579.13
  4. Step 4: Simplify right side
    251,398,895.57x = 59,750,334,023,371,144
  5. Step 5: Solve for x
    x = 59,750,334,023,371,144/251,398,895.57
  6. Step 6: Final answer
    x = 237,671,426.07

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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.