Home / 108,630,142.44-149,905,035.07-61,590,381.24

Finding the Fourth Proportional to 108,630,142.44, 149,905,035.07 and 61,590,381.24

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Solution

The fourth proportional to 108,630,142.44, 149,905,035.07 and 61,590,381.24 is: 84,992,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,142.44 : 149,905,035.07 = 61,590,381.24 : x
  2. Step 2: Convert to fraction form
    108,630,142.44/149,905,035.07 = 61,590,381.24/x
  3. Step 3: Cross multiply
    108,630,142.44x = 149,905,035.07 × 61,590,381.24
  4. Step 4: Simplify right side
    108,630,142.44x = 9,232,708,259,321,822
  5. Step 5: Solve for x
    x = 9,232,708,259,321,822/108,630,142.44
  6. Step 6: Final answer
    x = 84,992,139.86

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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.