Finding the Fourth Proportional to 286,536,528.96, 395,418,032.98 and 161,089,284.06
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Solution
The fourth proportional to 286,536,528.96, 395,418,032.98 and 161,089,284.06 is: 222,301,875.67
Step by Step Solution
- Step 1: Write the proportion equation
286,536,528.96 : 395,418,032.98 = 161,089,284.06 : x - Step 2: Convert to fraction form
286,536,528.96/395,418,032.98 = 161,089,284.06/x - Step 3: Cross multiply
286,536,528.96x = 395,418,032.98 × 161,089,284.06 - Step 4: Simplify right side
286,536,528.96x = 63,697,607,834,379,136 - Step 5: Solve for x
x = 63,697,607,834,379,136/286,536,528.96 - Step 6: Final answer
x = 222,301,875.67
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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.