Home / 56,591,716.40-84,905,509.80-20,199,300.08

Finding the Fourth Proportional to 56,591,716.40, 84,905,509.80 and 20,199,300.08

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Solution

The fourth proportional to 56,591,716.40, 84,905,509.80 and 20,199,300.08 is: 30,305,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,591,716.40 : 84,905,509.80 = 20,199,300.08 : x
  2. Step 2: Convert to fraction form
    56,591,716.40/84,905,509.80 = 20,199,300.08/x
  3. Step 3: Cross multiply
    56,591,716.40x = 84,905,509.80 × 20,199,300.08
  4. Step 4: Simplify right side
    56,591,716.40x = 1,715,031,870,895,580.50
  5. Step 5: Solve for x
    x = 1,715,031,870,895,580.50/56,591,716.40
  6. Step 6: Final answer
    x = 30,305,351.74

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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.