Home / 72,062,840.30-99,453,832.92-41,127,637.82

Finding the Fourth Proportional to 72,062,840.30, 99,453,832.92 and 41,127,637.82

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Solution

The fourth proportional to 72,062,840.30, 99,453,832.92 and 41,127,637.82 is: 56,760,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062,840.30 : 99,453,832.92 = 41,127,637.82 : x
  2. Step 2: Convert to fraction form
    72,062,840.30/99,453,832.92 = 41,127,637.82/x
  3. Step 3: Cross multiply
    72,062,840.30x = 99,453,832.92 × 41,127,637.82
  4. Step 4: Simplify right side
    72,062,840.30x = 4,090,301,219,647,283.50
  5. Step 5: Solve for x
    x = 4,090,301,219,647,283.50/72,062,840.30
  6. Step 6: Final answer
    x = 56,760,199.89

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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.