Finding the Fourth Proportional to 124,279,008.16, 186,289,175.76 and 69,611,447.20
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Solution
The fourth proportional to 124,279,008.16, 186,289,175.76 and 69,611,447.20 is: 104,344,726.55
Step by Step Solution
- Step 1: Write the proportion equation
124,279,008.16 : 186,289,175.76 = 69,611,447.20 : x - Step 2: Convert to fraction form
124,279,008.16/186,289,175.76 = 69,611,447.20/x - Step 3: Cross multiply
124,279,008.16x = 186,289,175.76 × 69,611,447.20 - Step 4: Simplify right side
124,279,008.16x = 12,967,859,122,348,760 - Step 5: Solve for x
x = 12,967,859,122,348,760/124,279,008.16 - Step 6: Final answer
x = 104,344,726.55
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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.