Home / 103,958,817.84-143,464,302.36-57,549,846.78

Finding the Fourth Proportional to 103,958,817.84, 143,464,302.36 and 57,549,846.78

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Solution

The fourth proportional to 103,958,817.84, 143,464,302.36 and 57,549,846.78 is: 79,419,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,817.84 : 143,464,302.36 = 57,549,846.78 : x
  2. Step 2: Convert to fraction form
    103,958,817.84/143,464,302.36 = 57,549,846.78/x
  3. Step 3: Cross multiply
    103,958,817.84x = 143,464,302.36 × 57,549,846.78
  4. Step 4: Simplify right side
    103,958,817.84x = 8,256,348,619,217,593
  5. Step 5: Solve for x
    x = 8,256,348,619,217,593/103,958,817.84
  6. Step 6: Final answer
    x = 79,419,416.18

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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.