Home / 122,481,572.15-183,722,358.23-81,666,903.35

Finding the Fourth Proportional to 122,481,572.15, 183,722,358.23 and 81,666,903.35

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Solution

The fourth proportional to 122,481,572.15, 183,722,358.23 and 81,666,903.35 is: 122,500,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,572.15 : 183,722,358.23 = 81,666,903.35 : x
  2. Step 2: Convert to fraction form
    122,481,572.15/183,722,358.23 = 81,666,903.35/x
  3. Step 3: Cross multiply
    122,481,572.15x = 183,722,358.23 × 81,666,903.35
  4. Step 4: Simplify right side
    122,481,572.15x = 15,004,036,072,803,486
  5. Step 5: Solve for x
    x = 15,004,036,072,803,486/122,481,572.15
  6. Step 6: Final answer
    x = 122,500,355.03

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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.