Finding the Fourth Proportional to 74,438,056.07, 102,653,226.74 and 49,280,341.40
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Solution
The fourth proportional to 74,438,056.07, 102,653,226.74 and 49,280,341.40 is: 67,959,674.48
Step by Step Solution
- Step 1: Write the proportion equation
74,438,056.07 : 102,653,226.74 = 49,280,341.40 : x - Step 2: Convert to fraction form
74,438,056.07/102,653,226.74 = 49,280,341.40/x - Step 3: Cross multiply
74,438,056.07x = 102,653,226.74 × 49,280,341.40 - Step 4: Simplify right side
74,438,056.07x = 5,058,786,059,168,744 - Step 5: Solve for x
x = 5,058,786,059,168,744/74,438,056.07 - Step 6: Final answer
x = 67,959,674.48
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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.