Finding the Fourth Proportional to 97,660,878.80, 134,772,204.11 and 57,976,368.26
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Solution
The fourth proportional to 97,660,878.80, 134,772,204.11 and 57,976,368.26 is: 80,007,501.80
Step by Step Solution
- Step 1: Write the proportion equation
97,660,878.80 : 134,772,204.11 = 57,976,368.26 : x - Step 2: Convert to fraction form
97,660,878.80/134,772,204.11 = 57,976,368.26/x - Step 3: Cross multiply
97,660,878.80x = 134,772,204.11 × 57,976,368.26 - Step 4: Simplify right side
97,660,878.80x = 7,813,602,935,729,502 - Step 5: Solve for x
x = 7,813,602,935,729,502/97,660,878.80 - Step 6: Final answer
x = 80,007,501.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.