Home / 35,813,145.60-53,719,718.40-20,507,644.80

Finding the Fourth Proportional to 35,813,145.60, 53,719,718.40 and 20,507,644.80

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Solution

The fourth proportional to 35,813,145.60, 53,719,718.40 and 20,507,644.80 is: 30,761,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813,145.60 : 53,719,718.40 = 20,507,644.80 : x
  2. Step 2: Convert to fraction form
    35,813,145.60/53,719,718.40 = 20,507,644.80/x
  3. Step 3: Cross multiply
    35,813,145.60x = 53,719,718.40 × 20,507,644.80
  4. Step 4: Simplify right side
    35,813,145.60x = 1,101,664,903,703,224.38
  5. Step 5: Solve for x
    x = 1,101,664,903,703,224.38/35,813,145.60
  6. Step 6: Final answer
    x = 30,761,467.20

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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.