Home / 103,985,538.68-143,508,122.70-57,580,110.20

Finding the Fourth Proportional to 103,985,538.68, 143,508,122.70 and 57,580,110.20

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Solution

The fourth proportional to 103,985,538.68, 143,508,122.70 and 57,580,110.20 is: 79,465,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,985,538.68 : 143,508,122.70 = 57,580,110.20 : x
  2. Step 2: Convert to fraction form
    103,985,538.68/143,508,122.70 = 57,580,110.20/x
  3. Step 3: Cross multiply
    103,985,538.68x = 143,508,122.70 × 57,580,110.20
  4. Step 4: Simplify right side
    103,985,538.68x = 8,263,213,519,661,121
  5. Step 5: Solve for x
    x = 8,263,213,519,661,121/103,985,538.68
  6. Step 6: Final answer
    x = 79,465,025.85

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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.