Home / 116,413,769.20-174,620,653.80-99,102,078.60

Finding the Fourth Proportional to 116,413,769.20, 174,620,653.80 and 99,102,078.60

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Solution

The fourth proportional to 116,413,769.20, 174,620,653.80 and 99,102,078.60 is: 148,653,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,413,769.20 : 174,620,653.80 = 99,102,078.60 : x
  2. Step 2: Convert to fraction form
    116,413,769.20/174,620,653.80 = 99,102,078.60/x
  3. Step 3: Cross multiply
    116,413,769.20x = 174,620,653.80 × 99,102,078.60
  4. Step 4: Simplify right side
    116,413,769.20x = 17,305,269,758,070,988
  5. Step 5: Solve for x
    x = 17,305,269,758,070,988/116,413,769.20
  6. Step 6: Final answer
    x = 148,653,117.90

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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.