Home / 394,559,345.70-591,876,343.35-107,345,009.70

Finding the Fourth Proportional to 394,559,345.70, 591,876,343.35 and 107,345,009.70

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Solution

The fourth proportional to 394,559,345.70, 591,876,343.35 and 107,345,009.70 is: 161,027,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,559,345.70 : 591,876,343.35 = 107,345,009.70 : x
  2. Step 2: Convert to fraction form
    394,559,345.70/591,876,343.35 = 107,345,009.70/x
  3. Step 3: Cross multiply
    394,559,345.70x = 591,876,343.35 × 107,345,009.70
  4. Step 4: Simplify right side
    394,559,345.70x = 63,534,971,818,106,288
  5. Step 5: Solve for x
    x = 63,534,971,818,106,288/394,559,345.70
  6. Step 6: Final answer
    x = 161,027,669.25

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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.