Home / 112,353,861.90-168,530,792.85-31,574,829.90

Finding the Fourth Proportional to 112,353,861.90, 168,530,792.85 and 31,574,829.90

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Solution

The fourth proportional to 112,353,861.90, 168,530,792.85 and 31,574,829.90 is: 47,362,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,861.90 : 168,530,792.85 = 31,574,829.90 : x
  2. Step 2: Convert to fraction form
    112,353,861.90/168,530,792.85 = 31,574,829.90/x
  3. Step 3: Cross multiply
    112,353,861.90x = 168,530,792.85 × 31,574,829.90
  4. Step 4: Simplify right side
    112,353,861.90x = 5,321,331,117,656,898
  5. Step 5: Solve for x
    x = 5,321,331,117,656,898/112,353,861.90
  6. Step 6: Final answer
    x = 47,362,244.85

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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.