Home / 35,273,320.40-52,909,980.60-20,128,782.80

Finding the Fourth Proportional to 35,273,320.40, 52,909,980.60 and 20,128,782.80

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Solution

The fourth proportional to 35,273,320.40, 52,909,980.60 and 20,128,782.80 is: 30,193,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,273,320.40 : 52,909,980.60 = 20,128,782.80 : x
  2. Step 2: Convert to fraction form
    35,273,320.40/52,909,980.60 = 20,128,782.80/x
  3. Step 3: Cross multiply
    35,273,320.40x = 52,909,980.60 × 20,128,782.80
  4. Step 4: Simplify right side
    35,273,320.40x = 1,065,013,507,449,613.75
  5. Step 5: Solve for x
    x = 1,065,013,507,449,613.75/35,273,320.40
  6. Step 6: Final answer
    x = 30,193,174.20

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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.