Finding the Fourth Proportional to 168,156,243.98, 252,346,946.52 and 69,788,032.58
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Solution
The fourth proportional to 168,156,243.98, 252,346,946.52 and 69,788,032.58 is: 104,728,771.93
Step by Step Solution
- Step 1: Write the proportion equation
168,156,243.98 : 252,346,946.52 = 69,788,032.58 : x - Step 2: Convert to fraction form
168,156,243.98/252,346,946.52 = 69,788,032.58/x - Step 3: Cross multiply
168,156,243.98x = 252,346,946.52 × 69,788,032.58 - Step 4: Simplify right side
168,156,243.98x = 17,610,796,925,201,278 - Step 5: Solve for x
x = 17,610,796,925,201,278/168,156,243.98 - Step 6: Final answer
x = 104,728,771.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.