Finding the Fourth Proportional to 291,466,495.50, 437,135,252.72 and 84,159,907.10
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Solution
The fourth proportional to 291,466,495.50, 437,135,252.72 and 84,159,907.10 is: 126,221,239.24
Step by Step Solution
- Step 1: Write the proportion equation
291,466,495.50 : 437,135,252.72 = 84,159,907.10 : x - Step 2: Convert to fraction form
291,466,495.50/437,135,252.72 = 84,159,907.10/x - Step 3: Cross multiply
291,466,495.50x = 437,135,252.72 × 84,159,907.10 - Step 4: Simplify right side
291,466,495.50x = 36,789,262,258,082,128 - Step 5: Solve for x
x = 36,789,262,258,082,128/291,466,495.50 - Step 6: Final answer
x = 126,221,239.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.