Home / 142,088,211.60-213,132,317.40-124,515,229.20

Finding the Fourth Proportional to 142,088,211.60, 213,132,317.40 and 124,515,229.20

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Solution

The fourth proportional to 142,088,211.60, 213,132,317.40 and 124,515,229.20 is: 186,772,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,088,211.60 : 213,132,317.40 = 124,515,229.20 : x
  2. Step 2: Convert to fraction form
    142,088,211.60/213,132,317.40 = 124,515,229.20/x
  3. Step 3: Cross multiply
    142,088,211.60x = 213,132,317.40 × 124,515,229.20
  4. Step 4: Simplify right side
    142,088,211.60x = 26,538,219,350,988,148
  5. Step 5: Solve for x
    x = 26,538,219,350,988,148/142,088,211.60
  6. Step 6: Final answer
    x = 186,772,843.80

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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.