Home / 141,837,256.80-212,755,885.20-123,921,352.80

Finding the Fourth Proportional to 141,837,256.80, 212,755,885.20 and 123,921,352.80

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Solution

The fourth proportional to 141,837,256.80, 212,755,885.20 and 123,921,352.80 is: 185,882,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,837,256.80 : 212,755,885.20 = 123,921,352.80 : x
  2. Step 2: Convert to fraction form
    141,837,256.80/212,755,885.20 = 123,921,352.80/x
  3. Step 3: Cross multiply
    141,837,256.80x = 212,755,885.20 × 123,921,352.80
  4. Step 4: Simplify right side
    141,837,256.80x = 26,364,997,110,145,496
  5. Step 5: Solve for x
    x = 26,364,997,110,145,496/141,837,256.80
  6. Step 6: Final answer
    x = 185,882,029.20

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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.