Home / 112,165,821.18-168,248,731.77-112,165,821.18

Finding the Fourth Proportional to 112,165,821.18, 168,248,731.77 and 112,165,821.18

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Solution

The fourth proportional to 112,165,821.18, 168,248,731.77 and 112,165,821.18 is: 168,248,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165,821.18 : 168,248,731.77 = 112,165,821.18 : x
  2. Step 2: Convert to fraction form
    112,165,821.18/168,248,731.77 = 112,165,821.18/x
  3. Step 3: Cross multiply
    112,165,821.18x = 168,248,731.77 × 112,165,821.18
  4. Step 4: Simplify right side
    112,165,821.18x = 18,871,757,160,073,532
  5. Step 5: Solve for x
    x = 18,871,757,160,073,532/112,165,821.18
  6. Step 6: Final answer
    x = 168,248,731.77

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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.