Home / 262,196,704.40-393,295,056.60-80,443,590.80

Finding the Fourth Proportional to 262,196,704.40, 393,295,056.60 and 80,443,590.80

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Solution

The fourth proportional to 262,196,704.40, 393,295,056.60 and 80,443,590.80 is: 120,665,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,196,704.40 : 393,295,056.60 = 80,443,590.80 : x
  2. Step 2: Convert to fraction form
    262,196,704.40/393,295,056.60 = 80,443,590.80/x
  3. Step 3: Cross multiply
    262,196,704.40x = 393,295,056.60 × 80,443,590.80
  4. Step 4: Simplify right side
    262,196,704.40x = 31,638,066,596,793,240
  5. Step 5: Solve for x
    x = 31,638,066,596,793,240/262,196,704.40
  6. Step 6: Final answer
    x = 120,665,386.20

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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.