Finding the Fourth Proportional to 85,164,854.20, 127,747,281.30 and 46,806,623.80
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Solution
The fourth proportional to 85,164,854.20, 127,747,281.30 and 46,806,623.80 is: 70,209,935.70
Step by Step Solution
- Step 1: Write the proportion equation
85,164,854.20 : 127,747,281.30 = 46,806,623.80 : x - Step 2: Convert to fraction form
85,164,854.20/127,747,281.30 = 46,806,623.80/x - Step 3: Cross multiply
85,164,854.20x = 127,747,281.30 × 46,806,623.80 - Step 4: Simplify right side
85,164,854.20x = 5,979,418,937,281,874 - Step 5: Solve for x
x = 5,979,418,937,281,874/85,164,854.20 - Step 6: Final answer
x = 70,209,935.70
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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.