Home / 251,501,328.56-347,071,779.96-139,989,764.72

Finding the Fourth Proportional to 251,501,328.56, 347,071,779.96 and 139,989,764.72

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Solution

The fourth proportional to 251,501,328.56, 347,071,779.96 and 139,989,764.72 is: 193,185,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,501,328.56 : 347,071,779.96 = 139,989,764.72 : x
  2. Step 2: Convert to fraction form
    251,501,328.56/347,071,779.96 = 139,989,764.72/x
  3. Step 3: Cross multiply
    251,501,328.56x = 347,071,779.96 × 139,989,764.72
  4. Step 4: Simplify right side
    251,501,328.56x = 48,586,496,817,552,008
  5. Step 5: Solve for x
    x = 48,586,496,817,552,008/251,501,328.56
  6. Step 6: Final answer
    x = 193,185,845.56

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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.