Finding the Fourth Proportional to 98,627,736.14, 136,073,311.98 and 57,365,869.58
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Solution
The fourth proportional to 98,627,736.14, 136,073,311.98 and 57,365,869.58 is: 79,145,726.89
Step by Step Solution
- Step 1: Write the proportion equation
98,627,736.14 : 136,073,311.98 = 57,365,869.58 : x - Step 2: Convert to fraction form
98,627,736.14/136,073,311.98 = 57,365,869.58/x - Step 3: Cross multiply
98,627,736.14x = 136,073,311.98 × 57,365,869.58 - Step 4: Simplify right side
98,627,736.14x = 7,805,963,868,363,331 - Step 5: Solve for x
x = 7,805,963,868,363,331/98,627,736.14 - Step 6: Final answer
x = 79,145,726.89
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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.