Finding the Fourth Proportional to 84,259,138.68, 116,281,202.41 and 47,089,417.86
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Solution
The fourth proportional to 84,259,138.68, 116,281,202.41 and 47,089,417.86 is: 64,985,403.55
Step by Step Solution
- Step 1: Write the proportion equation
84,259,138.68 : 116,281,202.41 = 47,089,417.86 : x - Step 2: Convert to fraction form
84,259,138.68/116,281,202.41 = 47,089,417.86/x - Step 3: Cross multiply
84,259,138.68x = 116,281,202.41 × 47,089,417.86 - Step 4: Simplify right side
84,259,138.68x = 5,475,614,129,547,729 - Step 5: Solve for x
x = 5,475,614,129,547,729/84,259,138.68 - Step 6: Final answer
x = 64,985,403.55
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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.