Finding the Fourth Proportional to 68,331,495.60, 102,497,243.40 and 63,852,519.60
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Solution
The fourth proportional to 68,331,495.60, 102,497,243.40 and 63,852,519.60 is: 95,778,779.40
Step by Step Solution
- Step 1: Write the proportion equation
68,331,495.60 : 102,497,243.40 = 63,852,519.60 : x - Step 2: Convert to fraction form
68,331,495.60/102,497,243.40 = 63,852,519.60/x - Step 3: Cross multiply
68,331,495.60x = 102,497,243.40 × 63,852,519.60 - Step 4: Simplify right side
68,331,495.60x = 6,544,707,243,144,471 - Step 5: Solve for x
x = 6,544,707,243,144,471/68,331,495.60 - Step 6: Final answer
x = 95,778,779.40
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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.