Finding the Fourth Proportional to 93,361,427.56, 128,838,948.36 and 51,545,573.80
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Solution
The fourth proportional to 93,361,427.56, 128,838,948.36 and 51,545,573.80 is: 71,132,990.30
Step by Step Solution
- Step 1: Write the proportion equation
93,361,427.56 : 128,838,948.36 = 51,545,573.80 : x - Step 2: Convert to fraction form
93,361,427.56/128,838,948.36 = 51,545,573.80/x - Step 3: Cross multiply
93,361,427.56x = 128,838,948.36 × 51,545,573.80 - Step 4: Simplify right side
93,361,427.56x = 6,641,077,521,004,769 - Step 5: Solve for x
x = 6,641,077,521,004,769/93,361,427.56 - Step 6: Final answer
x = 71,132,990.30
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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.