Finding the Fourth Proportional to 78,791,724.24, 107,944,158.74 and 75,845,280
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Solution
The fourth proportional to 78,791,724.24, 107,944,158.74 and 75,845,280 is: 103,907,548.96
Step by Step Solution
- Step 1: Write the proportion equation
78,791,724.24 : 107,944,158.74 = 75,845,280 : x - Step 2: Convert to fraction form
78,791,724.24/107,944,158.74 = 75,845,280/x - Step 3: Cross multiply
78,791,724.24x = 107,944,158.74 × 75,845,280 - Step 4: Simplify right side
78,791,724.24x = 8,187,054,943,999,747 - Step 5: Solve for x
x = 8,187,054,943,999,747/78,791,724.24 - Step 6: Final answer
x = 103,907,548.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.