Home / 104,191,840.32-143,775,317.76-57,781,950.72

Finding the Fourth Proportional to 104,191,840.32, 143,775,317.76 and 57,781,950.72

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Solution

The fourth proportional to 104,191,840.32, 143,775,317.76 and 57,781,950.72 is: 79,733,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,191,840.32 : 143,775,317.76 = 57,781,950.72 : x
  2. Step 2: Convert to fraction form
    104,191,840.32/143,775,317.76 = 57,781,950.72/x
  3. Step 3: Cross multiply
    104,191,840.32x = 143,775,317.76 × 57,781,950.72
  4. Step 4: Simplify right side
    104,191,840.32x = 8,307,618,325,560,660
  5. Step 5: Solve for x
    x = 8,307,618,325,560,660/104,191,840.32
  6. Step 6: Final answer
    x = 79,733,866.88

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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.