Finding the Fourth Proportional to 65,308,070.23, 97,976,277.12 and 19,868,683.75
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Solution
The fourth proportional to 65,308,070.23, 97,976,277.12 and 19,868,683.75 is: 29,807,337.11
Step by Step Solution
- Step 1: Write the proportion equation
65,308,070.23 : 97,976,277.12 = 19,868,683.75 : x - Step 2: Convert to fraction form
65,308,070.23/97,976,277.12 = 19,868,683.75/x - Step 3: Cross multiply
65,308,070.23x = 97,976,277.12 × 19,868,683.75 - Step 4: Simplify right side
65,308,070.23x = 1,946,659,665,099,641 - Step 5: Solve for x
x = 1,946,659,665,099,641/65,308,070.23 - Step 6: Final answer
x = 29,807,337.11
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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.