Finding the Fourth Proportional to 97,123,358.80, 145,643,047.80 and 48,582,456.40
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Solution
The fourth proportional to 97,123,358.80, 145,643,047.80 and 48,582,456.40 is: 72,852,680.42
Step by Step Solution
- Step 1: Write the proportion equation
97,123,358.80 : 145,643,047.80 = 48,582,456.40 : x - Step 2: Convert to fraction form
97,123,358.80/145,643,047.80 = 48,582,456.40/x - Step 3: Cross multiply
97,123,358.80x = 145,643,047.80 × 48,582,456.40 - Step 4: Simplify right side
97,123,358.80x = 7,075,697,019,706,616 - Step 5: Solve for x
x = 7,075,697,019,706,616/97,123,358.80 - Step 6: Final answer
x = 72,852,680.42
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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.