Home / 293,570,362.40-405,128,701.71-172,873,615.91

Finding the Fourth Proportional to 293,570,362.40, 405,128,701.71 and 172,873,615.91

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Solution

The fourth proportional to 293,570,362.40, 405,128,701.71 and 172,873,615.91 is: 238,566,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,570,362.40 : 405,128,701.71 = 172,873,615.91 : x
  2. Step 2: Convert to fraction form
    293,570,362.40/405,128,701.71 = 172,873,615.91/x
  3. Step 3: Cross multiply
    293,570,362.40x = 405,128,701.71 × 172,873,615.91
  4. Step 4: Simplify right side
    293,570,362.40x = 70,036,063,571,505,856
  5. Step 5: Solve for x
    x = 70,036,063,571,505,856/293,570,362.40
  6. Step 6: Final answer
    x = 238,566,533.08

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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.