Home / 122,481,570.15-183,722,355.23-81,666,901.35

Finding the Fourth Proportional to 122,481,570.15, 183,722,355.23 and 81,666,901.35

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Solution

The fourth proportional to 122,481,570.15, 183,722,355.23 and 81,666,901.35 is: 122,500,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,570.15 : 183,722,355.23 = 81,666,901.35 : x
  2. Step 2: Convert to fraction form
    122,481,570.15/183,722,355.23 = 81,666,901.35/x
  3. Step 3: Cross multiply
    122,481,570.15x = 183,722,355.23 × 81,666,901.35
  4. Step 4: Simplify right side
    122,481,570.15x = 15,004,035,459,949,730
  5. Step 5: Solve for x
    x = 15,004,035,459,949,730/122,481,570.15
  6. Step 6: Final answer
    x = 122,500,352.03

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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.