Home / 112,353,904.20-168,530,856.30-31,574,872.20

Finding the Fourth Proportional to 112,353,904.20, 168,530,856.30 and 31,574,872.20

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Solution

The fourth proportional to 112,353,904.20, 168,530,856.30 and 31,574,872.20 is: 47,362,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,904.20 : 168,530,856.30 = 31,574,872.20 : x
  2. Step 2: Convert to fraction form
    112,353,904.20/168,530,856.30 = 31,574,872.20/x
  3. Step 3: Cross multiply
    112,353,904.20x = 168,530,856.30 × 31,574,872.20
  4. Step 4: Simplify right side
    112,353,904.20x = 5,321,340,249,429,065
  5. Step 5: Solve for x
    x = 5,321,340,249,429,065/112,353,904.20
  6. Step 6: Final answer
    x = 47,362,308.30

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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.