Home / 104,493,555.20-156,907,638.30-83,106,007.40

Finding the Fourth Proportional to 104,493,555.20, 156,907,638.30 and 83,106,007.40

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Solution

The fourth proportional to 104,493,555.20, 156,907,638.30 and 83,106,007.40 is: 124,792,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493,555.20 : 156,907,638.30 = 83,106,007.40 : x
  2. Step 2: Convert to fraction form
    104,493,555.20/156,907,638.30 = 83,106,007.40/x
  3. Step 3: Cross multiply
    104,493,555.20x = 156,907,638.30 × 83,106,007.40
  4. Step 4: Simplify right side
    104,493,555.20x = 13,039,967,349,676,326
  5. Step 5: Solve for x
    x = 13,039,967,349,676,326/104,493,555.20
  6. Step 6: Final answer
    x = 124,792,072.82

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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.