Finding the Fourth Proportional to 248,480,346.09, 342,900,083.60 and 135,447,360.94
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Solution
The fourth proportional to 248,480,346.09, 342,900,083.60 and 135,447,360.94 is: 186,915,835.08
Step by Step Solution
- Step 1: Write the proportion equation
248,480,346.09 : 342,900,083.60 = 135,447,360.94 : x - Step 2: Convert to fraction form
248,480,346.09/342,900,083.60 = 135,447,360.94/x - Step 3: Cross multiply
248,480,346.09x = 342,900,083.60 × 135,447,360.94 - Step 4: Simplify right side
248,480,346.09x = 46,444,911,389,984,688 - Step 5: Solve for x
x = 46,444,911,389,984,688/248,480,346.09 - Step 6: Final answer
x = 186,915,835.08
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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.