Finding the Fourth Proportional to 68,881,116.98, 103,321,805.07 and 64,672,104.26
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Solution
The fourth proportional to 68,881,116.98, 103,321,805.07 and 64,672,104.26 is: 97,008,278.07
Step by Step Solution
- Step 1: Write the proportion equation
68,881,116.98 : 103,321,805.07 = 64,672,104.26 : x - Step 2: Convert to fraction form
68,881,116.98/103,321,805.07 = 64,672,104.26/x - Step 3: Cross multiply
68,881,116.98x = 103,321,805.07 × 64,672,104.26 - Step 4: Simplify right side
68,881,116.98x = 6,682,038,549,818,436 - Step 5: Solve for x
x = 6,682,038,549,818,436/68,881,116.98 - Step 6: Final answer
x = 97,008,278.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.