Home / 112,136,100.30-168,204,150.45-73,394,051.40

Finding the Fourth Proportional to 112,136,100.30, 168,204,150.45 and 73,394,051.40

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Solution

The fourth proportional to 112,136,100.30, 168,204,150.45 and 73,394,051.40 is: 110,091,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136,100.30 : 168,204,150.45 = 73,394,051.40 : x
  2. Step 2: Convert to fraction form
    112,136,100.30/168,204,150.45 = 73,394,051.40/x
  3. Step 3: Cross multiply
    112,136,100.30x = 168,204,150.45 × 73,394,051.40
  4. Step 4: Simplify right side
    112,136,100.30x = 12,345,184,063,820,634
  5. Step 5: Solve for x
    x = 12,345,184,063,820,634/112,136,100.30
  6. Step 6: Final answer
    x = 110,091,077.10

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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.