Home / 52,416,139.40-78,624,209.10-37,110,638.60

Finding the Fourth Proportional to 52,416,139.40, 78,624,209.10 and 37,110,638.60

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Solution

The fourth proportional to 52,416,139.40, 78,624,209.10 and 37,110,638.60 is: 55,665,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,416,139.40 : 78,624,209.10 = 37,110,638.60 : x
  2. Step 2: Convert to fraction form
    52,416,139.40/78,624,209.10 = 37,110,638.60/x
  3. Step 3: Cross multiply
    52,416,139.40x = 78,624,209.10 × 37,110,638.60
  4. Step 4: Simplify right side
    52,416,139.40x = 2,917,794,609,120,931
  5. Step 5: Solve for x
    x = 2,917,794,609,120,931/52,416,139.40
  6. Step 6: Final answer
    x = 55,665,957.90

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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.