Home / 103,887,343.96-143,368,754.70-57,476,842

Finding the Fourth Proportional to 103,887,343.96, 143,368,754.70 and 57,476,842

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Solution

The fourth proportional to 103,887,343.96, 143,368,754.70 and 57,476,842 is: 79,320,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,887,343.96 : 143,368,754.70 = 57,476,842 : x
  2. Step 2: Convert to fraction form
    103,887,343.96/143,368,754.70 = 57,476,842/x
  3. Step 3: Cross multiply
    103,887,343.96x = 143,368,754.70 × 57,476,842
  4. Step 4: Simplify right side
    103,887,343.96x = 8,240,383,261,628,657
  5. Step 5: Solve for x
    x = 8,240,383,261,628,657/103,887,343.96
  6. Step 6: Final answer
    x = 79,320,376.74

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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.