Home / 70,964,630.70-106,446,946.05-19,850,649.90

Finding the Fourth Proportional to 70,964,630.70, 106,446,946.05 and 19,850,649.90

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Solution

The fourth proportional to 70,964,630.70, 106,446,946.05 and 19,850,649.90 is: 29,775,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964,630.70 : 106,446,946.05 = 19,850,649.90 : x
  2. Step 2: Convert to fraction form
    70,964,630.70/106,446,946.05 = 19,850,649.90/x
  3. Step 3: Cross multiply
    70,964,630.70x = 106,446,946.05 × 19,850,649.90
  4. Step 4: Simplify right side
    70,964,630.70x = 2,113,041,058,962,737.75
  5. Step 5: Solve for x
    x = 2,113,041,058,962,737.75/70,964,630.70
  6. Step 6: Final answer
    x = 29,775,974.85

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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.