Home / 101,495,222.20-140,063,542.50-55,085,476.78

Finding the Fourth Proportional to 101,495,222.20, 140,063,542.50 and 55,085,476.78

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Solution

The fourth proportional to 101,495,222.20, 140,063,542.50 and 55,085,476.78 is: 76,018,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,222.20 : 140,063,542.50 = 55,085,476.78 : x
  2. Step 2: Convert to fraction form
    101,495,222.20/140,063,542.50 = 55,085,476.78/x
  3. Step 3: Cross multiply
    101,495,222.20x = 140,063,542.50 × 55,085,476.78
  4. Step 4: Simplify right side
    101,495,222.20x = 7,715,467,018,108,293
  5. Step 5: Solve for x
    x = 7,715,467,018,108,293/101,495,222.20
  6. Step 6: Final answer
    x = 76,018,031.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.