Home / 140,859,008.60-211,288,512.90-100,044,339.80

Finding the Fourth Proportional to 140,859,008.60, 211,288,512.90 and 100,044,339.80

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Solution

The fourth proportional to 140,859,008.60, 211,288,512.90 and 100,044,339.80 is: 150,066,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,859,008.60 : 211,288,512.90 = 100,044,339.80 : x
  2. Step 2: Convert to fraction form
    140,859,008.60/211,288,512.90 = 100,044,339.80/x
  3. Step 3: Cross multiply
    140,859,008.60x = 211,288,512.90 × 100,044,339.80
  4. Step 4: Simplify right side
    140,859,008.60x = 21,138,219,780,404,284
  5. Step 5: Solve for x
    x = 21,138,219,780,404,284/140,859,008.60
  6. Step 6: Final answer
    x = 150,066,509.70

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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.