Finding the Fourth Proportional to 93,349,584.81, 128,829,549.47 and 51,541,710.21
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Solution
The fourth proportional to 93,349,584.81, 128,829,549.47 and 51,541,710.21 is: 71,131,492.64
Step by Step Solution
- Step 1: Write the proportion equation
93,349,584.81 : 128,829,549.47 = 51,541,710.21 : x - Step 2: Convert to fraction form
93,349,584.81/128,829,549.47 = 51,541,710.21/x - Step 3: Cross multiply
93,349,584.81x = 128,829,549.47 × 51,541,710.21 - Step 4: Simplify right side
93,349,584.81x = 6,640,095,305,009,891 - Step 5: Solve for x
x = 6,640,095,305,009,891/93,349,584.81 - Step 6: Final answer
x = 71,131,492.64
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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.