Home / 251,501,327.56-347,071,778.58-139,989,763.72

Finding the Fourth Proportional to 251,501,327.56, 347,071,778.58 and 139,989,763.72

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Solution

The fourth proportional to 251,501,327.56, 347,071,778.58 and 139,989,763.72 is: 193,185,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,501,327.56 : 347,071,778.58 = 139,989,763.72 : x
  2. Step 2: Convert to fraction form
    251,501,327.56/347,071,778.58 = 139,989,763.72/x
  3. Step 3: Cross multiply
    251,501,327.56x = 347,071,778.58 × 139,989,763.72
  4. Step 4: Simplify right side
    251,501,327.56x = 48,586,496,277,294,352
  5. Step 5: Solve for x
    x = 48,586,496,277,294,352/251,501,327.56
  6. Step 6: Final answer
    x = 193,185,844.18

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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.