Home / 122,242,989.90-183,373,342.20-73,616,138.40

Finding the Fourth Proportional to 122,242,989.90, 183,373,342.20 and 73,616,138.40

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Solution

The fourth proportional to 122,242,989.90, 183,373,342.20 and 73,616,138.40 is: 110,429,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,242,989.90 : 183,373,342.20 = 73,616,138.40 : x
  2. Step 2: Convert to fraction form
    122,242,989.90/183,373,342.20 = 73,616,138.40/x
  3. Step 3: Cross multiply
    122,242,989.90x = 183,373,342.20 × 73,616,138.40
  4. Step 4: Simplify right side
    122,242,989.90x = 13,499,237,338,265,760
  5. Step 5: Solve for x
    x = 13,499,237,338,265,760/122,242,989.90
  6. Step 6: Final answer
    x = 110,429,541.60

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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.