Home / 211,584,890.40-317,377,335.60-149,775,021.60

Finding the Fourth Proportional to 211,584,890.40, 317,377,335.60 and 149,775,021.60

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Solution

The fourth proportional to 211,584,890.40, 317,377,335.60 and 149,775,021.60 is: 224,662,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,584,890.40 : 317,377,335.60 = 149,775,021.60 : x
  2. Step 2: Convert to fraction form
    211,584,890.40/317,377,335.60 = 149,775,021.60/x
  3. Step 3: Cross multiply
    211,584,890.40x = 317,377,335.60 × 149,775,021.60
  4. Step 4: Simplify right side
    211,584,890.40x = 47,535,197,294,840,448
  5. Step 5: Solve for x
    x = 47,535,197,294,840,448/211,584,890.40
  6. Step 6: Final answer
    x = 224,662,532.40

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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.