Home / 120,042,152.23-165,607,443.60-80,362,466.27

Finding the Fourth Proportional to 120,042,152.23, 165,607,443.60 and 80,362,466.27

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Solution

The fourth proportional to 120,042,152.23, 165,607,443.60 and 80,362,466.27 is: 110,866,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,042,152.23 : 165,607,443.60 = 80,362,466.27 : x
  2. Step 2: Convert to fraction form
    120,042,152.23/165,607,443.60 = 80,362,466.27/x
  3. Step 3: Cross multiply
    120,042,152.23x = 165,607,443.60 × 80,362,466.27
  4. Step 4: Simplify right side
    120,042,152.23x = 13,308,622,599,951,908
  5. Step 5: Solve for x
    x = 13,308,622,599,951,908/120,042,152.23
  6. Step 6: Final answer
    x = 110,866,244.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.