Finding the Fourth Proportional to 40,203,474.09, 60,311,937.51 and 31,567,226.13
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Solution
The fourth proportional to 40,203,474.09, 60,311,937.51 and 31,567,226.13 is: 47,356,120.65
Step by Step Solution
- Step 1: Write the proportion equation
40,203,474.09 : 60,311,937.51 = 31,567,226.13 : x - Step 2: Convert to fraction form
40,203,474.09/60,311,937.51 = 31,567,226.13/x - Step 3: Cross multiply
40,203,474.09x = 60,311,937.51 × 31,567,226.13 - Step 4: Simplify right side
40,203,474.09x = 1,903,880,569,716,599 - Step 5: Solve for x
x = 1,903,880,569,716,599/40,203,474.09 - Step 6: Final answer
x = 47,356,120.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.