Finding the Fourth Proportional to 157,356,006.60, 236,246,586.30 and 99,960,378.60
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Solution
The fourth proportional to 157,356,006.60, 236,246,586.30 and 99,960,378.60 is: 150,075,607.02
Step by Step Solution
- Step 1: Write the proportion equation
157,356,006.60 : 236,246,586.30 = 99,960,378.60 : x - Step 2: Convert to fraction form
157,356,006.60/236,246,586.30 = 99,960,378.60/x - Step 3: Cross multiply
157,356,006.60x = 236,246,586.30 × 99,960,378.60 - Step 4: Simplify right side
157,356,006.60x = 23,615,298,209,505,572 - Step 5: Solve for x
x = 23,615,298,209,505,572/157,356,006.60 - Step 6: Final answer
x = 150,075,607.02
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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.