Home / 104,790,809.52-156,449,406.78-80,069,355.18

Finding the Fourth Proportional to 104,790,809.52, 156,449,406.78 and 80,069,355.18

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Solution

The fourth proportional to 104,790,809.52, 156,449,406.78 and 80,069,355.18 is: 119,541,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790,809.52 : 156,449,406.78 = 80,069,355.18 : x
  2. Step 2: Convert to fraction form
    104,790,809.52/156,449,406.78 = 80,069,355.18/x
  3. Step 3: Cross multiply
    104,790,809.52x = 156,449,406.78 × 80,069,355.18
  4. Step 4: Simplify right side
    104,790,809.52x = 12,526,803,119,168,122
  5. Step 5: Solve for x
    x = 12,526,803,119,168,122/104,790,809.52
  6. Step 6: Final answer
    x = 119,541,047.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.