Home / 257,701,146.21-355,624,592.40-140,224,452.39

Finding the Fourth Proportional to 257,701,146.21, 355,624,592.40 and 140,224,452.39

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Solution

The fourth proportional to 257,701,146.21, 355,624,592.40 and 140,224,452.39 is: 193,508,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,701,146.21 : 355,624,592.40 = 140,224,452.39 : x
  2. Step 2: Convert to fraction form
    257,701,146.21/355,624,592.40 = 140,224,452.39/x
  3. Step 3: Cross multiply
    257,701,146.21x = 355,624,592.40 × 140,224,452.39
  4. Step 4: Simplify right side
    257,701,146.21x = 49,867,263,725,706,944
  5. Step 5: Solve for x
    x = 49,867,263,725,706,944/257,701,146.21
  6. Step 6: Final answer
    x = 193,508,117.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.