Home / 55,716,981.80-83,575,472.70-17,378,434.40

Finding the Fourth Proportional to 55,716,981.80, 83,575,472.70 and 17,378,434.40

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Solution

The fourth proportional to 55,716,981.80, 83,575,472.70 and 17,378,434.40 is: 26,067,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716,981.80 : 83,575,472.70 = 17,378,434.40 : x
  2. Step 2: Convert to fraction form
    55,716,981.80/83,575,472.70 = 17,378,434.40/x
  3. Step 3: Cross multiply
    55,716,981.80x = 83,575,472.70 × 17,378,434.40
  4. Step 4: Simplify right side
    55,716,981.80x = 1,452,410,869,765,940.75
  5. Step 5: Solve for x
    x = 1,452,410,869,765,940.75/55,716,981.80
  6. Step 6: Final answer
    x = 26,067,651.60

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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.