Home / 86,831,273.84-119,821,787.93-47,672,829.86

Finding the Fourth Proportional to 86,831,273.84, 119,821,787.93 and 47,672,829.86

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Solution

The fourth proportional to 86,831,273.84, 119,821,787.93 and 47,672,829.86 is: 65,785,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831,273.84 : 119,821,787.93 = 47,672,829.86 : x
  2. Step 2: Convert to fraction form
    86,831,273.84/119,821,787.93 = 47,672,829.86/x
  3. Step 3: Cross multiply
    86,831,273.84x = 119,821,787.93 × 47,672,829.86
  4. Step 4: Simplify right side
    86,831,273.84x = 5,712,243,709,027,965
  5. Step 5: Solve for x
    x = 5,712,243,709,027,965/86,831,273.84
  6. Step 6: Final answer
    x = 65,785,556.94

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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.