Finding the Fourth Proportional to 229,067,685.52, 316,110,748.80 and 124,643,957.68
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Solution
The fourth proportional to 229,067,685.52, 316,110,748.80 and 124,643,957.68 is: 172,007,215.71
Step by Step Solution
- Step 1: Write the proportion equation
229,067,685.52 : 316,110,748.80 = 124,643,957.68 : x - Step 2: Convert to fraction form
229,067,685.52/316,110,748.80 = 124,643,957.68/x - Step 3: Cross multiply
229,067,685.52x = 316,110,748.80 × 124,643,957.68 - Step 4: Simplify right side
229,067,685.52x = 39,401,294,795,620,312 - Step 5: Solve for x
x = 39,401,294,795,620,312/229,067,685.52 - Step 6: Final answer
x = 172,007,215.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.