Home / 107,802,009.80-161,703,014.70-43,073,808.20

Finding the Fourth Proportional to 107,802,009.80, 161,703,014.70 and 43,073,808.20

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Solution

The fourth proportional to 107,802,009.80, 161,703,014.70 and 43,073,808.20 is: 64,610,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,009.80 : 161,703,014.70 = 43,073,808.20 : x
  2. Step 2: Convert to fraction form
    107,802,009.80/161,703,014.70 = 43,073,808.20/x
  3. Step 3: Cross multiply
    107,802,009.80x = 161,703,014.70 × 43,073,808.20
  4. Step 4: Simplify right side
    107,802,009.80x = 6,965,164,640,549,581
  5. Step 5: Solve for x
    x = 6,965,164,640,549,581/107,802,009.80
  6. Step 6: Final answer
    x = 64,610,712.30

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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.