Home / 140,898,062.56-211,240,503.60-92,388,128.80

Finding the Fourth Proportional to 140,898,062.56, 211,240,503.60 and 92,388,128.80

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Solution

The fourth proportional to 140,898,062.56, 211,240,503.60 and 92,388,128.80 is: 138,512,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898,062.56 : 211,240,503.60 = 92,388,128.80 : x
  2. Step 2: Convert to fraction form
    140,898,062.56/211,240,503.60 = 92,388,128.80/x
  3. Step 3: Cross multiply
    140,898,062.56x = 211,240,503.60 × 92,388,128.80
  4. Step 4: Simplify right side
    140,898,062.56x = 19,516,114,854,373,664
  5. Step 5: Solve for x
    x = 19,516,114,854,373,664/140,898,062.56
  6. Step 6: Final answer
    x = 138,512,301.02

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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.