Home / 82,134,032.40-123,201,048.60-68,697,104.40

Finding the Fourth Proportional to 82,134,032.40, 123,201,048.60 and 68,697,104.40

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Solution

The fourth proportional to 82,134,032.40, 123,201,048.60 and 68,697,104.40 is: 103,045,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,134,032.40 : 123,201,048.60 = 68,697,104.40 : x
  2. Step 2: Convert to fraction form
    82,134,032.40/123,201,048.60 = 68,697,104.40/x
  3. Step 3: Cross multiply
    82,134,032.40x = 123,201,048.60 × 68,697,104.40
  4. Step 4: Simplify right side
    82,134,032.40x = 8,463,555,297,863,674
  5. Step 5: Solve for x
    x = 8,463,555,297,863,674/82,134,032.40
  6. Step 6: Final answer
    x = 103,045,656.60

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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.