Home / 140,962,021.20-211,443,031.80-102,698,269.20

Finding the Fourth Proportional to 140,962,021.20, 211,443,031.80 and 102,698,269.20

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Solution

The fourth proportional to 140,962,021.20, 211,443,031.80 and 102,698,269.20 is: 154,047,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,962,021.20 : 211,443,031.80 = 102,698,269.20 : x
  2. Step 2: Convert to fraction form
    140,962,021.20/211,443,031.80 = 102,698,269.20/x
  3. Step 3: Cross multiply
    140,962,021.20x = 211,443,031.80 × 102,698,269.20
  4. Step 4: Simplify right side
    140,962,021.20x = 21,714,833,400,260,564
  5. Step 5: Solve for x
    x = 21,714,833,400,260,564/140,962,021.20
  6. Step 6: Final answer
    x = 154,047,403.80

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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.