Home / 293,570,363.65-405,128,703.44-172,873,617.16

Finding the Fourth Proportional to 293,570,363.65, 405,128,703.44 and 172,873,617.16

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Solution

The fourth proportional to 293,570,363.65, 405,128,703.44 and 172,873,617.16 is: 238,566,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,570,363.65 : 405,128,703.44 = 172,873,617.16 : x
  2. Step 2: Convert to fraction form
    293,570,363.65/405,128,703.44 = 172,873,617.16/x
  3. Step 3: Cross multiply
    293,570,363.65x = 405,128,703.44 × 172,873,617.16
  4. Step 4: Simplify right side
    293,570,363.65x = 70,036,064,379,013,736
  5. Step 5: Solve for x
    x = 70,036,064,379,013,736/293,570,363.65
  6. Step 6: Final answer
    x = 238,566,534.81

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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.