Home / 74,068,841.86-111,118,863.60-28,009,691.26

Finding the Fourth Proportional to 74,068,841.86, 111,118,863.60 and 28,009,691.26

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Solution

The fourth proportional to 74,068,841.86, 111,118,863.60 and 28,009,691.26 is: 42,020,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068,841.86 : 111,118,863.60 = 28,009,691.26 : x
  2. Step 2: Convert to fraction form
    74,068,841.86/111,118,863.60 = 28,009,691.26/x
  3. Step 3: Cross multiply
    74,068,841.86x = 111,118,863.60 × 28,009,691.26
  4. Step 4: Simplify right side
    74,068,841.86x = 3,112,405,062,598,052
  5. Step 5: Solve for x
    x = 3,112,405,062,598,052/74,068,841.86
  6. Step 6: Final answer
    x = 42,020,436.45

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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.