Finding the Fourth Proportional to 168,190,187.68, 232,048,110.72 and 93,838,693.60
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Solution
The fourth proportional to 168,190,187.68, 232,048,110.72 and 93,838,693.60 is: 129,467,074.52
Step by Step Solution
- Step 1: Write the proportion equation
168,190,187.68 : 232,048,110.72 = 93,838,693.60 : x - Step 2: Convert to fraction form
168,190,187.68/232,048,110.72 = 93,838,693.60/x - Step 3: Cross multiply
168,190,187.68x = 232,048,110.72 × 93,838,693.60 - Step 4: Simplify right side
168,190,187.68x = 21,775,091,562,312,952 - Step 5: Solve for x
x = 21,775,091,562,312,952/168,190,187.68 - Step 6: Final answer
x = 129,467,074.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.