Finding the Fourth Proportional to 93,349,585.31, 128,829,550.16 and 51,541,710.71
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Solution
The fourth proportional to 93,349,585.31, 128,829,550.16 and 51,541,710.71 is: 71,131,493.33
Step by Step Solution
- Step 1: Write the proportion equation
93,349,585.31 : 128,829,550.16 = 51,541,710.71 : x - Step 2: Convert to fraction form
93,349,585.31/128,829,550.16 = 51,541,710.71/x - Step 3: Cross multiply
93,349,585.31x = 128,829,550.16 × 51,541,710.71 - Step 4: Simplify right side
93,349,585.31x = 6,640,095,404,988,446 - Step 5: Solve for x
x = 6,640,095,404,988,446/93,349,585.31 - Step 6: Final answer
x = 71,131,493.33
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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.