Home / 122,120,909.12-183,031,288.70-56,453,220.32

Finding the Fourth Proportional to 122,120,909.12, 183,031,288.70 and 56,453,220.32

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Solution

The fourth proportional to 122,120,909.12, 183,031,288.70 and 56,453,220.32 is: 84,610,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,120,909.12 : 183,031,288.70 = 56,453,220.32 : x
  2. Step 2: Convert to fraction form
    122,120,909.12/183,031,288.70 = 56,453,220.32/x
  3. Step 3: Cross multiply
    122,120,909.12x = 183,031,288.70 × 56,453,220.32
  4. Step 4: Simplify right side
    122,120,909.12x = 10,332,705,665,237,202
  5. Step 5: Solve for x
    x = 10,332,705,665,237,202/122,120,909.12
  6. Step 6: Final answer
    x = 84,610,454.83

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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.