Home / 85,101,241.10-127,462,904.85-69,984,697.10

Finding the Fourth Proportional to 85,101,241.10, 127,462,904.85 and 69,984,697.10

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Solution

The fourth proportional to 85,101,241.10, 127,462,904.85 and 69,984,697.10 is: 104,821,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,101,241.10 : 127,462,904.85 = 69,984,697.10 : x
  2. Step 2: Convert to fraction form
    85,101,241.10/127,462,904.85 = 69,984,697.10/x
  3. Step 3: Cross multiply
    85,101,241.10x = 127,462,904.85 × 69,984,697.10
  4. Step 4: Simplify right side
    85,101,241.10x = 8,920,452,787,413,370
  5. Step 5: Solve for x
    x = 8,920,452,787,413,370/85,101,241.10
  6. Step 6: Final answer
    x = 104,821,653.27

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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.