Home / 185,372,493.60-278,058,740.40-142,458,304.80

Finding the Fourth Proportional to 185,372,493.60, 278,058,740.40 and 142,458,304.80

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Solution

The fourth proportional to 185,372,493.60, 278,058,740.40 and 142,458,304.80 is: 213,687,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,372,493.60 : 278,058,740.40 = 142,458,304.80 : x
  2. Step 2: Convert to fraction form
    185,372,493.60/278,058,740.40 = 142,458,304.80/x
  3. Step 3: Cross multiply
    185,372,493.60x = 278,058,740.40 × 142,458,304.80
  4. Step 4: Simplify right side
    185,372,493.60x = 39,611,776,792,207,272
  5. Step 5: Solve for x
    x = 39,611,776,792,207,272/185,372,493.60
  6. Step 6: Final answer
    x = 213,687,457.20

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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.