Home / 132,782,563.60-199,173,845.40-120,878,285.20

Finding the Fourth Proportional to 132,782,563.60, 199,173,845.40 and 120,878,285.20

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Solution

The fourth proportional to 132,782,563.60, 199,173,845.40 and 120,878,285.20 is: 181,317,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782,563.60 : 199,173,845.40 = 120,878,285.20 : x
  2. Step 2: Convert to fraction form
    132,782,563.60/199,173,845.40 = 120,878,285.20/x
  3. Step 3: Cross multiply
    132,782,563.60x = 199,173,845.40 × 120,878,285.20
  4. Step 4: Simplify right side
    132,782,563.60x = 24,075,792,888,641,908
  5. Step 5: Solve for x
    x = 24,075,792,888,641,908/132,782,563.60
  6. Step 6: Final answer
    x = 181,317,427.80

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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.