Finding the Fourth Proportional to 81,938,121.99, 113,073,288.62 and 44,767,603.89
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Solution
The fourth proportional to 81,938,121.99, 113,073,288.62 and 44,767,603.89 is: 61,778,572.32
Step by Step Solution
- Step 1: Write the proportion equation
81,938,121.99 : 113,073,288.62 = 44,767,603.89 : x - Step 2: Convert to fraction form
81,938,121.99/113,073,288.62 = 44,767,603.89/x - Step 3: Cross multiply
81,938,121.99x = 113,073,288.62 × 44,767,603.89 - Step 4: Simplify right side
81,938,121.99x = 5,062,020,195,255,967 - Step 5: Solve for x
x = 5,062,020,195,255,967/81,938,121.99 - Step 6: Final answer
x = 61,778,572.32
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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.