Home / 141,971,021.82-212,935,218.51-44,914,117.86

Finding the Fourth Proportional to 141,971,021.82, 212,935,218.51 and 44,914,117.86

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Solution

The fourth proportional to 141,971,021.82, 212,935,218.51 and 44,914,117.86 is: 67,364,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971,021.82 : 212,935,218.51 = 44,914,117.86 : x
  2. Step 2: Convert to fraction form
    141,971,021.82/212,935,218.51 = 44,914,117.86/x
  3. Step 3: Cross multiply
    141,971,021.82x = 212,935,218.51 × 44,914,117.86
  4. Step 4: Simplify right side
    141,971,021.82x = 9,563,797,500,702,994
  5. Step 5: Solve for x
    x = 9,563,797,500,702,994/141,971,021.82
  6. Step 6: Final answer
    x = 67,364,433.80

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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.