Home / 293,570,362.65-405,128,702.06-172,873,616.16

Finding the Fourth Proportional to 293,570,362.65, 405,128,702.06 and 172,873,616.16

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Solution

The fourth proportional to 293,570,362.65, 405,128,702.06 and 172,873,616.16 is: 238,566,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,570,362.65 : 405,128,702.06 = 172,873,616.16 : x
  2. Step 2: Convert to fraction form
    293,570,362.65/405,128,702.06 = 172,873,616.16/x
  3. Step 3: Cross multiply
    293,570,362.65x = 405,128,702.06 × 172,873,616.16
  4. Step 4: Simplify right side
    293,570,362.65x = 70,036,063,734,455,072
  5. Step 5: Solve for x
    x = 70,036,063,734,455,072/293,570,362.65
  6. Step 6: Final answer
    x = 238,566,533.43

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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.