Finding the Fourth Proportional to 70,715,054.70, 97,585,795.71 and 39,775,244.94
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Solution
The fourth proportional to 70,715,054.70, 97,585,795.71 and 39,775,244.94 is: 54,889,286.92
Step by Step Solution
- Step 1: Write the proportion equation
70,715,054.70 : 97,585,795.71 = 39,775,244.94 : x - Step 2: Convert to fraction form
70,715,054.70/97,585,795.71 = 39,775,244.94/x - Step 3: Cross multiply
70,715,054.70x = 97,585,795.71 × 39,775,244.94 - Step 4: Simplify right side
70,715,054.70x = 3,881,498,927,030,050.50 - Step 5: Solve for x
x = 3,881,498,927,030,050.50/70,715,054.70 - Step 6: Final answer
x = 54,889,286.92
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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.