Home / 449,010,133.01-673,516,761.85-138,115,638.98

Finding the Fourth Proportional to 449,010,133.01, 673,516,761.85 and 138,115,638.98

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Solution

The fourth proportional to 449,010,133.01, 673,516,761.85 and 138,115,638.98 is: 207,173,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,010,133.01 : 673,516,761.85 = 138,115,638.98 : x
  2. Step 2: Convert to fraction form
    449,010,133.01/673,516,761.85 = 138,115,638.98/x
  3. Step 3: Cross multiply
    449,010,133.01x = 673,516,761.85 × 138,115,638.98
  4. Step 4: Simplify right side
    449,010,133.01x = 93,023,197,925,983,984
  5. Step 5: Solve for x
    x = 93,023,197,925,983,984/449,010,133.01
  6. Step 6: Final answer
    x = 207,173,939.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.