Finding the Fourth Proportional to 84,974,335.20, 127,461,308.40 and 36,420,706.08
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Solution
The fourth proportional to 84,974,335.20, 127,461,308.40 and 36,420,706.08 is: 54,630,975.80
Step by Step Solution
- Step 1: Write the proportion equation
84,974,335.20 : 127,461,308.40 = 36,420,706.08 : x - Step 2: Convert to fraction form
84,974,335.20/127,461,308.40 = 36,420,706.08/x - Step 3: Cross multiply
84,974,335.20x = 127,461,308.40 × 36,420,706.08 - Step 4: Simplify right side
84,974,335.20x = 4,642,230,849,808,635 - Step 5: Solve for x
x = 4,642,230,849,808,635/84,974,335.20 - Step 6: Final answer
x = 54,630,975.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.