Home / 103,774,109.37-143,203,323.65-56,733,609.26

Finding the Fourth Proportional to 103,774,109.37, 143,203,323.65 and 56,733,609.26

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Solution

The fourth proportional to 103,774,109.37, 143,203,323.65 and 56,733,609.26 is: 78,289,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,774,109.37 : 143,203,323.65 = 56,733,609.26 : x
  2. Step 2: Convert to fraction form
    103,774,109.37/143,203,323.65 = 56,733,609.26/x
  3. Step 3: Cross multiply
    103,774,109.37x = 143,203,323.65 × 56,733,609.26
  4. Step 4: Simplify right side
    103,774,109.37x = 8,124,441,407,692,733
  5. Step 5: Solve for x
    x = 8,124,441,407,692,733/103,774,109.37
  6. Step 6: Final answer
    x = 78,289,676.08

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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.