Finding the Fourth Proportional to 97,805,941.80, 146,708,912.70 and 52,456,309.80
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Solution
The fourth proportional to 97,805,941.80, 146,708,912.70 and 52,456,309.80 is: 78,684,464.70
Step by Step Solution
- Step 1: Write the proportion equation
97,805,941.80 : 146,708,912.70 = 52,456,309.80 : x - Step 2: Convert to fraction form
97,805,941.80/146,708,912.70 = 52,456,309.80/x - Step 3: Cross multiply
97,805,941.80x = 146,708,912.70 × 52,456,309.80 - Step 4: Simplify right side
97,805,941.80x = 7,695,808,175,012,353 - Step 5: Solve for x
x = 7,695,808,175,012,353/97,805,941.80 - Step 6: Final answer
x = 78,684,464.70
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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.