Finding the Fourth Proportional to 84,287,072.95, 116,334,911.68 and 51,240,316.50
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Solution
The fourth proportional to 84,287,072.95, 116,334,911.68 and 51,240,316.50 is: 70,723,036.00
Step by Step Solution
- Step 1: Write the proportion equation
84,287,072.95 : 116,334,911.68 = 51,240,316.50 : x - Step 2: Convert to fraction form
84,287,072.95/116,334,911.68 = 51,240,316.50/x - Step 3: Cross multiply
84,287,072.95x = 116,334,911.68 × 51,240,316.50 - Step 4: Simplify right side
84,287,072.95x = 5,961,037,694,354,646 - Step 5: Solve for x
x = 5,961,037,694,354,646/84,287,072.95 - Step 6: Final answer
x = 70,723,036.00
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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.