Home / 145,009,653,999.20-200,123,899,098.24-84,057,757,016.08

Finding the Fourth Proportional to 145,009,653,999.20, 200,123,899,098.24 and 84,057,757,016.08

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Solution

The fourth proportional to 145,009,653,999.20, 200,123,899,098.24 and 84,057,757,016.08 is: 116,005,835,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,009,653,999.20 : 200,123,899,098.24 = 84,057,757,016.08 : x
  2. Step 2: Convert to fraction form
    145,009,653,999.20/200,123,899,098.24 = 84,057,757,016.08/x
  3. Step 3: Cross multiply
    145,009,653,999.20x = 200,123,899,098.24 × 84,057,757,016.08
  4. Step 4: Simplify right side
    145,009,653,999.20x = 16,821,966,083,509,366,816,768
  5. Step 5: Solve for x
    x = 16,821,966,083,509,366,816,768/145,009,653,999.20
  6. Step 6: Final answer
    x = 116,005,835,608.73

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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.