Finding the Fourth Proportional to 103,243,026.63, 142,477,189.35 and 56,201,452.47
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Solution
The fourth proportional to 103,243,026.63, 142,477,189.35 and 56,201,452.47 is: 77,558,991.12
Step by Step Solution
- Step 1: Write the proportion equation
103,243,026.63 : 142,477,189.35 = 56,201,452.47 : x - Step 2: Convert to fraction form
103,243,026.63/142,477,189.35 = 56,201,452.47/x - Step 3: Cross multiply
103,243,026.63x = 142,477,189.35 × 56,201,452.47 - Step 4: Simplify right side
103,243,026.63x = 8,007,424,985,313,215 - Step 5: Solve for x
x = 8,007,424,985,313,215/103,243,026.63 - Step 6: Final answer
x = 77,558,991.12
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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.