Home / 104,493,554.20-156,907,636.80-83,106,006.40

Finding the Fourth Proportional to 104,493,554.20, 156,907,636.80 and 83,106,006.40

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Solution

The fourth proportional to 104,493,554.20, 156,907,636.80 and 83,106,006.40 is: 124,792,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493,554.20 : 156,907,636.80 = 83,106,006.40 : x
  2. Step 2: Convert to fraction form
    104,493,554.20/156,907,636.80 = 83,106,006.40/x
  3. Step 3: Cross multiply
    104,493,554.20x = 156,907,636.80 × 83,106,006.40
  4. Step 4: Simplify right side
    104,493,554.20x = 13,039,967,068,109,678
  5. Step 5: Solve for x
    x = 13,039,967,068,109,678/104,493,554.20
  6. Step 6: Final answer
    x = 124,792,071.32

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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.