Finding the Fourth Proportional to 70,463,696.59, 97,239,702.22 and 39,106,479.70
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Solution
The fourth proportional to 70,463,696.59, 97,239,702.22 and 39,106,479.70 is: 53,966,831.50
Step by Step Solution
- Step 1: Write the proportion equation
70,463,696.59 : 97,239,702.22 = 39,106,479.70 : x - Step 2: Convert to fraction form
70,463,696.59/97,239,702.22 = 39,106,479.70/x - Step 3: Cross multiply
70,463,696.59x = 97,239,702.22 × 39,106,479.70 - Step 4: Simplify right side
70,463,696.59x = 3,802,702,440,900,475 - Step 5: Solve for x
x = 3,802,702,440,900,475/70,463,696.59 - Step 6: Final answer
x = 53,966,831.50
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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.