Home / 112,328,489.40-168,492,734.10-104,770,217.40

Finding the Fourth Proportional to 112,328,489.40, 168,492,734.10 and 104,770,217.40

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Solution

The fourth proportional to 112,328,489.40, 168,492,734.10 and 104,770,217.40 is: 157,155,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328,489.40 : 168,492,734.10 = 104,770,217.40 : x
  2. Step 2: Convert to fraction form
    112,328,489.40/168,492,734.10 = 104,770,217.40/x
  3. Step 3: Cross multiply
    112,328,489.40x = 168,492,734.10 × 104,770,217.40
  4. Step 4: Simplify right side
    112,328,489.40x = 17,653,020,381,977,394
  5. Step 5: Solve for x
    x = 17,653,020,381,977,394/112,328,489.40
  6. Step 6: Final answer
    x = 157,155,326.10

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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.