Home / 103,874,562.76-143,342,590.24-56,831,405.44

Finding the Fourth Proportional to 103,874,562.76, 143,342,590.24 and 56,831,405.44

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Solution

The fourth proportional to 103,874,562.76, 143,342,590.24 and 56,831,405.44 is: 78,424,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,874,562.76 : 143,342,590.24 = 56,831,405.44 : x
  2. Step 2: Convert to fraction form
    103,874,562.76/143,342,590.24 = 56,831,405.44/x
  3. Step 3: Cross multiply
    103,874,562.76x = 143,342,590.24 × 56,831,405.44
  4. Step 4: Simplify right side
    103,874,562.76x = 8,146,360,862,749,227
  5. Step 5: Solve for x
    x = 8,146,360,862,749,227/103,874,562.76
  6. Step 6: Final answer
    x = 78,424,983.43

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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.