Finding the Fourth Proportional to 129,084,618.08, 193,684,106.14 and 67,659,178.74
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Solution
The fourth proportional to 129,084,618.08, 193,684,106.14 and 67,659,178.74 is: 101,518,738.26
Step by Step Solution
- Step 1: Write the proportion equation
129,084,618.08 : 193,684,106.14 = 67,659,178.74 : x - Step 2: Convert to fraction form
129,084,618.08/193,684,106.14 = 67,659,178.74/x - Step 3: Cross multiply
129,084,618.08x = 193,684,106.14 × 67,659,178.74 - Step 4: Simplify right side
129,084,618.08x = 13,104,507,556,423,390 - Step 5: Solve for x
x = 13,104,507,556,423,390/129,084,618.08 - Step 6: Final answer
x = 101,518,738.26
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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.