Finding the Fourth Proportional to 101,437,949.19, 139,912,206.04 and 93,092,269.12
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Solution
The fourth proportional to 101,437,949.19, 139,912,206.04 and 93,092,269.12 is: 128,401,104.72
Step by Step Solution
- Step 1: Write the proportion equation
101,437,949.19 : 139,912,206.04 = 93,092,269.12 : x - Step 2: Convert to fraction form
101,437,949.19/139,912,206.04 = 93,092,269.12/x - Step 3: Cross multiply
101,437,949.19x = 139,912,206.04 × 93,092,269.12 - Step 4: Simplify right side
101,437,949.19x = 13,024,744,736,993,336 - Step 5: Solve for x
x = 13,024,744,736,993,336/101,437,949.19 - Step 6: Final answer
x = 128,401,104.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.