Home / 99,886,398.10-149,792,272.35-69,504,010.90

Finding the Fourth Proportional to 99,886,398.10, 149,792,272.35 and 69,504,010.90

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Solution

The fourth proportional to 99,886,398.10, 149,792,272.35 and 69,504,010.90 is: 104,230,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,886,398.10 : 149,792,272.35 = 69,504,010.90 : x
  2. Step 2: Convert to fraction form
    99,886,398.10/149,792,272.35 = 69,504,010.90/x
  3. Step 3: Cross multiply
    99,886,398.10x = 149,792,272.35 × 69,504,010.90
  4. Step 4: Simplify right side
    99,886,398.10x = 10,411,163,730,150,170
  5. Step 5: Solve for x
    x = 10,411,163,730,150,170/99,886,398.10
  6. Step 6: Final answer
    x = 104,230,044.61

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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.