Finding the Fourth Proportional to 210,116,426.34, 315,652,936.41 and 152,003,352.99
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Solution
The fourth proportional to 210,116,426.34, 315,652,936.41 and 152,003,352.99 is: 228,351,041.14
Step by Step Solution
- Step 1: Write the proportion equation
210,116,426.34 : 315,652,936.41 = 152,003,352.99 : x - Step 2: Convert to fraction form
210,116,426.34/315,652,936.41 = 152,003,352.99/x - Step 3: Cross multiply
210,116,426.34x = 315,652,936.41 × 152,003,352.99 - Step 4: Simplify right side
210,116,426.34x = 47,980,304,714,699,232 - Step 5: Solve for x
x = 47,980,304,714,699,232/210,116,426.34 - Step 6: Final answer
x = 228,351,041.14
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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.