Home / 35,529,513.80-53,223,411.90-20,365,730.60

Finding the Fourth Proportional to 35,529,513.80, 53,223,411.90 and 20,365,730.60

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Solution

The fourth proportional to 35,529,513.80, 53,223,411.90 and 20,365,730.60 is: 30,507,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529,513.80 : 53,223,411.90 = 20,365,730.60 : x
  2. Step 2: Convert to fraction form
    35,529,513.80/53,223,411.90 = 20,365,730.60/x
  3. Step 3: Cross multiply
    35,529,513.80x = 53,223,411.90 × 20,365,730.60
  4. Step 4: Simplify right side
    35,529,513.80x = 1,083,933,668,368,234.25
  5. Step 5: Solve for x
    x = 1,083,933,668,368,234.25/35,529,513.80
  6. Step 6: Final answer
    x = 30,507,979.21

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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.