Finding the Fourth Proportional to 288,421,254.48, 432,368,042.04 and 124,556,517.84
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Solution
The fourth proportional to 288,421,254.48, 432,368,042.04 and 124,556,517.84 is: 186,720,835.95
Step by Step Solution
- Step 1: Write the proportion equation
288,421,254.48 : 432,368,042.04 = 124,556,517.84 : x - Step 2: Convert to fraction form
288,421,254.48/432,368,042.04 = 124,556,517.84/x - Step 3: Cross multiply
288,421,254.48x = 432,368,042.04 × 124,556,517.84 - Step 4: Simplify right side
288,421,254.48x = 53,854,257,741,801,136 - Step 5: Solve for x
x = 53,854,257,741,801,136/288,421,254.48 - Step 6: Final answer
x = 186,720,835.95
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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.