Home / 112,206,484.21-168,163,736.09-45,655,353.86

Finding the Fourth Proportional to 112,206,484.21, 168,163,736.09 and 45,655,353.86

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Solution

The fourth proportional to 112,206,484.21, 168,163,736.09 and 45,655,353.86 is: 68,423,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206,484.21 : 168,163,736.09 = 45,655,353.86 : x
  2. Step 2: Convert to fraction form
    112,206,484.21/168,163,736.09 = 45,655,353.86/x
  3. Step 3: Cross multiply
    112,206,484.21x = 168,163,736.09 × 45,655,353.86
  4. Step 4: Simplify right side
    112,206,484.21x = 7,677,574,877,608,603
  5. Step 5: Solve for x
    x = 7,677,574,877,608,603/112,206,484.21
  6. Step 6: Final answer
    x = 68,423,629.28

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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.