Home / 99,386,946.90-149,164,401.15-38,846,121.30

Finding the Fourth Proportional to 99,386,946.90, 149,164,401.15 and 38,846,121.30

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Solution

The fourth proportional to 99,386,946.90, 149,164,401.15 and 38,846,121.30 is: 58,302,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,386,946.90 : 149,164,401.15 = 38,846,121.30 : x
  2. Step 2: Convert to fraction form
    99,386,946.90/149,164,401.15 = 38,846,121.30/x
  3. Step 3: Cross multiply
    99,386,946.90x = 149,164,401.15 × 38,846,121.30
  4. Step 4: Simplify right side
    99,386,946.90x = 5,794,458,420,714,759
  5. Step 5: Solve for x
    x = 5,794,458,420,714,759/99,386,946.90
  6. Step 6: Final answer
    x = 58,302,006.47

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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.