Finding the Fourth Proportional to 74,087,388.96, 110,602,532.88 and 69,163,908.84
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Solution
The fourth proportional to 74,087,388.96, 110,602,532.88 and 69,163,908.84 is: 103,252,437.55
Step by Step Solution
- Step 1: Write the proportion equation
74,087,388.96 : 110,602,532.88 = 69,163,908.84 : x - Step 2: Convert to fraction form
74,087,388.96/110,602,532.88 = 69,163,908.84/x - Step 3: Cross multiply
74,087,388.96x = 110,602,532.88 × 69,163,908.84 - Step 4: Simplify right side
74,087,388.96x = 7,649,703,501,585,423 - Step 5: Solve for x
x = 7,649,703,501,585,423/74,087,388.96 - Step 6: Final answer
x = 103,252,437.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.