Finding the Fourth Proportional to 302,781,425.37, 417,838,550.07 and 163,552,248.65
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Solution
The fourth proportional to 302,781,425.37, 417,838,550.07 and 163,552,248.65 is: 225,702,202.02
Step by Step Solution
- Step 1: Write the proportion equation
302,781,425.37 : 417,838,550.07 = 163,552,248.65 : x - Step 2: Convert to fraction form
302,781,425.37/417,838,550.07 = 163,552,248.65/x - Step 3: Cross multiply
302,781,425.37x = 417,838,550.07 × 163,552,248.65 - Step 4: Simplify right side
302,781,425.37x = 68,338,434,436,604,120 - Step 5: Solve for x
x = 68,338,434,436,604,120/302,781,425.37 - Step 6: Final answer
x = 225,702,202.02
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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.