Home / 112,211,802.40-168,034,268.40-73,664,615.20

Finding the Fourth Proportional to 112,211,802.40, 168,034,268.40 and 73,664,615.20

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Solution

The fourth proportional to 112,211,802.40, 168,034,268.40 and 73,664,615.20 is: 110,310,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,802.40 : 168,034,268.40 = 73,664,615.20 : x
  2. Step 2: Convert to fraction form
    112,211,802.40/168,034,268.40 = 73,664,615.20/x
  3. Step 3: Cross multiply
    112,211,802.40x = 168,034,268.40 × 73,664,615.20
  4. Step 4: Simplify right side
    112,211,802.40x = 12,378,179,722,099,520
  5. Step 5: Solve for x
    x = 12,378,179,722,099,520/112,211,802.40
  6. Step 6: Final answer
    x = 110,310,853.74

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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.