Home / 144,051,139.22-198,790,544.13-77,971,624.34

Finding the Fourth Proportional to 144,051,139.22, 198,790,544.13 and 77,971,624.34

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Solution

The fourth proportional to 144,051,139.22, 198,790,544.13 and 77,971,624.34 is: 107,600,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051,139.22 : 198,790,544.13 = 77,971,624.34 : x
  2. Step 2: Convert to fraction form
    144,051,139.22/198,790,544.13 = 77,971,624.34/x
  3. Step 3: Cross multiply
    144,051,139.22x = 198,790,544.13 × 77,971,624.34
  4. Step 4: Simplify right side
    144,051,139.22x = 15,500,021,629,248,552
  5. Step 5: Solve for x
    x = 15,500,021,629,248,552/144,051,139.22
  6. Step 6: Final answer
    x = 107,600,826.44

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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.