Home / 35,273,323.40-52,909,985.10-20,128,785.80

Finding the Fourth Proportional to 35,273,323.40, 52,909,985.10 and 20,128,785.80

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Solution

The fourth proportional to 35,273,323.40, 52,909,985.10 and 20,128,785.80 is: 30,193,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,273,323.40 : 52,909,985.10 = 20,128,785.80 : x
  2. Step 2: Convert to fraction form
    35,273,323.40/52,909,985.10 = 20,128,785.80/x
  3. Step 3: Cross multiply
    35,273,323.40x = 52,909,985.10 × 20,128,785.80
  4. Step 4: Simplify right side
    35,273,323.40x = 1,065,013,756,759,091.62
  5. Step 5: Solve for x
    x = 1,065,013,756,759,091.62/35,273,323.40
  6. Step 6: Final answer
    x = 30,193,178.70

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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.