Home / 120,900,890.43-166,841,377.29-67,977,644.58

Finding the Fourth Proportional to 120,900,890.43, 166,841,377.29 and 67,977,644.58

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Solution

The fourth proportional to 120,900,890.43, 166,841,377.29 and 67,977,644.58 is: 93,808,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,900,890.43 : 166,841,377.29 = 67,977,644.58 : x
  2. Step 2: Convert to fraction form
    120,900,890.43/166,841,377.29 = 67,977,644.58/x
  3. Step 3: Cross multiply
    120,900,890.43x = 166,841,377.29 × 67,977,644.58
  4. Step 4: Simplify right side
    120,900,890.43x = 11,341,483,846,657,302
  5. Step 5: Solve for x
    x = 11,341,483,846,657,302/120,900,890.43
  6. Step 6: Final answer
    x = 93,808,108.50

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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.