Home / 209,953,841.20-314,930,761.80-133,048,423.60

Finding the Fourth Proportional to 209,953,841.20, 314,930,761.80 and 133,048,423.60

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Solution

The fourth proportional to 209,953,841.20, 314,930,761.80 and 133,048,423.60 is: 199,572,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,841.20 : 314,930,761.80 = 133,048,423.60 : x
  2. Step 2: Convert to fraction form
    209,953,841.20/314,930,761.80 = 133,048,423.60/x
  3. Step 3: Cross multiply
    209,953,841.20x = 314,930,761.80 × 133,048,423.60
  4. Step 4: Simplify right side
    209,953,841.20x = 41,901,041,400,637,096
  5. Step 5: Solve for x
    x = 41,901,041,400,637,096/209,953,841.20
  6. Step 6: Final answer
    x = 199,572,635.40

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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.