Home / 147,743,999.40-221,615,999.10-99,371,058.60

Finding the Fourth Proportional to 147,743,999.40, 221,615,999.10 and 99,371,058.60

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Solution

The fourth proportional to 147,743,999.40, 221,615,999.10 and 99,371,058.60 is: 149,056,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,999.40 : 221,615,999.10 = 99,371,058.60 : x
  2. Step 2: Convert to fraction form
    147,743,999.40/221,615,999.10 = 99,371,058.60/x
  3. Step 3: Cross multiply
    147,743,999.40x = 221,615,999.10 × 99,371,058.60
  4. Step 4: Simplify right side
    147,743,999.40x = 22,022,216,433,263,644
  5. Step 5: Solve for x
    x = 22,022,216,433,263,644/147,743,999.40
  6. Step 6: Final answer
    x = 149,056,587.90

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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.