Finding the Fourth Proportional to 135,127,988.20, 186,631,571.46 and 88,924,492.84
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Solution
The fourth proportional to 135,127,988.20, 186,631,571.46 and 88,924,492.84 is: 122,817,767.52
Step by Step Solution
- Step 1: Write the proportion equation
135,127,988.20 : 186,631,571.46 = 88,924,492.84 : x - Step 2: Convert to fraction form
135,127,988.20/186,631,571.46 = 88,924,492.84/x - Step 3: Cross multiply
135,127,988.20x = 186,631,571.46 × 88,924,492.84 - Step 4: Simplify right side
135,127,988.20x = 16,596,117,840,012,720 - Step 5: Solve for x
x = 16,596,117,840,012,720/135,127,988.20 - Step 6: Final answer
x = 122,817,767.52
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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.