Home / 107,876,326.80-161,835,485.40-31,201,856.40

Finding the Fourth Proportional to 107,876,326.80, 161,835,485.40 and 31,201,856.40

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Solution

The fourth proportional to 107,876,326.80, 161,835,485.40 and 31,201,856.40 is: 46,808,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,876,326.80 : 161,835,485.40 = 31,201,856.40 : x
  2. Step 2: Convert to fraction form
    107,876,326.80/161,835,485.40 = 31,201,856.40/x
  3. Step 3: Cross multiply
    107,876,326.80x = 161,835,485.40 × 31,201,856.40
  4. Step 4: Simplify right side
    107,876,326.80x = 5,049,567,575,875,097
  5. Step 5: Solve for x
    x = 5,049,567,575,875,097/107,876,326.80
  6. Step 6: Final answer
    x = 46,808,857.19

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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.