Finding the Fourth Proportional to 99,684,047.70, 149,526,071.55 and 97,444,559.70
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Solution
The fourth proportional to 99,684,047.70, 149,526,071.55 and 97,444,559.70 is: 146,166,839.55
Step by Step Solution
- Step 1: Write the proportion equation
99,684,047.70 : 149,526,071.55 = 97,444,559.70 : x - Step 2: Convert to fraction form
99,684,047.70/149,526,071.55 = 97,444,559.70/x - Step 3: Cross multiply
99,684,047.70x = 149,526,071.55 × 97,444,559.70 - Step 4: Simplify right side
99,684,047.70x = 14,570,502,205,860,448 - Step 5: Solve for x
x = 14,570,502,205,860,448/99,684,047.70 - Step 6: Final answer
x = 146,166,839.55
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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.