Home / 166,221,893.84-229,381,813.32-92,883,638.48

Finding the Fourth Proportional to 166,221,893.84, 229,381,813.32 and 92,883,638.48

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Solution

The fourth proportional to 166,221,893.84, 229,381,813.32 and 92,883,638.48 is: 128,176,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,221,893.84 : 229,381,813.32 = 92,883,638.48 : x
  2. Step 2: Convert to fraction form
    166,221,893.84/229,381,813.32 = 92,883,638.48/x
  3. Step 3: Cross multiply
    166,221,893.84x = 229,381,813.32 × 92,883,638.48
  4. Step 4: Simplify right side
    166,221,893.84x = 21,305,817,422,301,728
  5. Step 5: Solve for x
    x = 21,305,817,422,301,728/166,221,893.84
  6. Step 6: Final answer
    x = 128,176,962.31

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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.