Home / 144,258,272.32-199,081,230.24-79,068,343.36

Finding the Fourth Proportional to 144,258,272.32, 199,081,230.24 and 79,068,343.36

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Solution

The fourth proportional to 144,258,272.32, 199,081,230.24 and 79,068,343.36 is: 109,116,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,258,272.32 : 199,081,230.24 = 79,068,343.36 : x
  2. Step 2: Convert to fraction form
    144,258,272.32/199,081,230.24 = 79,068,343.36/x
  3. Step 3: Cross multiply
    144,258,272.32x = 199,081,230.24 × 79,068,343.36
  4. Step 4: Simplify right side
    144,258,272.32x = 15,741,023,069,147,536
  5. Step 5: Solve for x
    x = 15,741,023,069,147,536/144,258,272.32
  6. Step 6: Final answer
    x = 109,116,952.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.