Home / 112,135,299.30-168,202,948.95-30,254,019.30

Finding the Fourth Proportional to 112,135,299.30, 168,202,948.95 and 30,254,019.30

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Solution

The fourth proportional to 112,135,299.30, 168,202,948.95 and 30,254,019.30 is: 45,381,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,135,299.30 : 168,202,948.95 = 30,254,019.30 : x
  2. Step 2: Convert to fraction form
    112,135,299.30/168,202,948.95 = 30,254,019.30/x
  3. Step 3: Cross multiply
    112,135,299.30x = 168,202,948.95 × 30,254,019.30
  4. Step 4: Simplify right side
    112,135,299.30x = 5,088,815,263,850,214
  5. Step 5: Solve for x
    x = 5,088,815,263,850,214/112,135,299.30
  6. Step 6: Final answer
    x = 45,381,028.95

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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.