Finding the Fourth Proportional to 186,572,794.58, 257,478,243.75 and 102,946,350.09
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Solution
The fourth proportional to 186,572,794.58, 257,478,243.75 and 102,946,350.09 is: 142,070,259.93
Step by Step Solution
- Step 1: Write the proportion equation
186,572,794.58 : 257,478,243.75 = 102,946,350.09 : x - Step 2: Convert to fraction form
186,572,794.58/257,478,243.75 = 102,946,350.09/x - Step 3: Cross multiply
186,572,794.58x = 257,478,243.75 × 102,946,350.09 - Step 4: Simplify right side
186,572,794.58x = 26,506,445,422,611,396 - Step 5: Solve for x
x = 26,506,445,422,611,396/186,572,794.58 - Step 6: Final answer
x = 142,070,259.93
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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.