Home / 112,769,985.22-168,892,661.84-109,666,868.02

Finding the Fourth Proportional to 112,769,985.22, 168,892,661.84 and 109,666,868.02

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Solution

The fourth proportional to 112,769,985.22, 168,892,661.84 and 109,666,868.02 is: 164,245,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,769,985.22 : 168,892,661.84 = 109,666,868.02 : x
  2. Step 2: Convert to fraction form
    112,769,985.22/168,892,661.84 = 109,666,868.02/x
  3. Step 3: Cross multiply
    112,769,985.22x = 168,892,661.84 × 109,666,868.02
  4. Step 4: Simplify right side
    112,769,985.22x = 18,521,929,255,199,532
  5. Step 5: Solve for x
    x = 18,521,929,255,199,532/112,769,985.22
  6. Step 6: Final answer
    x = 164,245,204.24

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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.