Home / 236,288,847.40-354,433,271.10-139,144,834.60

Finding the Fourth Proportional to 236,288,847.40, 354,433,271.10 and 139,144,834.60

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Solution

The fourth proportional to 236,288,847.40, 354,433,271.10 and 139,144,834.60 is: 208,717,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,288,847.40 : 354,433,271.10 = 139,144,834.60 : x
  2. Step 2: Convert to fraction form
    236,288,847.40/354,433,271.10 = 139,144,834.60/x
  3. Step 3: Cross multiply
    236,288,847.40x = 354,433,271.10 × 139,144,834.60
  4. Step 4: Simplify right side
    236,288,847.40x = 49,317,558,883,946,464
  5. Step 5: Solve for x
    x = 49,317,558,883,946,464/236,288,847.40
  6. Step 6: Final answer
    x = 208,717,251.90

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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.