Finding the Fourth Proportional to 205,102,624.32, 307,555,259.04 and 68,692,610.88
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Solution
The fourth proportional to 205,102,624.32, 307,555,259.04 and 68,692,610.88 is: 103,005,867.45
Step by Step Solution
- Step 1: Write the proportion equation
205,102,624.32 : 307,555,259.04 = 68,692,610.88 : x - Step 2: Convert to fraction form
205,102,624.32/307,555,259.04 = 68,692,610.88/x - Step 3: Cross multiply
205,102,624.32x = 307,555,259.04 × 68,692,610.88 - Step 4: Simplify right side
205,102,624.32x = 21,126,773,733,332,324 - Step 5: Solve for x
x = 21,126,773,733,332,324/205,102,624.32 - Step 6: Final answer
x = 103,005,867.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.