Finding the Fourth Proportional to 68,035,964.58, 102,101,778.18 and 61,531,126.74
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Solution
The fourth proportional to 68,035,964.58, 102,101,778.18 and 61,531,126.74 is: 92,339,948.33
Step by Step Solution
- Step 1: Write the proportion equation
68,035,964.58 : 102,101,778.18 = 61,531,126.74 : x - Step 2: Convert to fraction form
68,035,964.58/102,101,778.18 = 61,531,126.74/x - Step 3: Cross multiply
68,035,964.58x = 102,101,778.18 × 61,531,126.74 - Step 4: Simplify right side
68,035,964.58x = 6,282,437,453,572,947 - Step 5: Solve for x
x = 6,282,437,453,572,947/68,035,964.58 - Step 6: Final answer
x = 92,339,948.33
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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.