Home / 69,032,520.96-103,588,346.16-28,084,403.04

Finding the Fourth Proportional to 69,032,520.96, 103,588,346.16 and 28,084,403.04

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Solution

The fourth proportional to 69,032,520.96, 103,588,346.16 and 28,084,403.04 is: 42,142,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,032,520.96 : 103,588,346.16 = 28,084,403.04 : x
  2. Step 2: Convert to fraction form
    69,032,520.96/103,588,346.16 = 28,084,403.04/x
  3. Step 3: Cross multiply
    69,032,520.96x = 103,588,346.16 × 28,084,403.04
  4. Step 4: Simplify right side
    69,032,520.96x = 2,909,216,863,804,476
  5. Step 5: Solve for x
    x = 2,909,216,863,804,476/69,032,520.96
  6. Step 6: Final answer
    x = 42,142,700.62

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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.