Home / 112,280,458.80-168,090,013.80-83,653,503.60

Finding the Fourth Proportional to 112,280,458.80, 168,090,013.80 and 83,653,503.60

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Solution

The fourth proportional to 112,280,458.80, 168,090,013.80 and 83,653,503.60 is: 125,233,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280,458.80 : 168,090,013.80 = 83,653,503.60 : x
  2. Step 2: Convert to fraction form
    112,280,458.80/168,090,013.80 = 83,653,503.60/x
  3. Step 3: Cross multiply
    112,280,458.80x = 168,090,013.80 × 83,653,503.60
  4. Step 4: Simplify right side
    112,280,458.80x = 14,061,318,574,542,350
  5. Step 5: Solve for x
    x = 14,061,318,574,542,350/112,280,458.80
  6. Step 6: Final answer
    x = 125,233,889.54

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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.