Finding the Fourth Proportional to 302,781,465.53, 417,838,605.53 and 163,552,288.80
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Solution
The fourth proportional to 302,781,465.53, 417,838,605.53 and 163,552,288.80 is: 225,702,257.45
Step by Step Solution
- Step 1: Write the proportion equation
302,781,465.53 : 417,838,605.53 = 163,552,288.80 : x - Step 2: Convert to fraction form
302,781,465.53/417,838,605.53 = 163,552,288.80/x - Step 3: Cross multiply
302,781,465.53x = 417,838,605.53 × 163,552,288.80 - Step 4: Simplify right side
302,781,465.53x = 68,338,460,283,431,840 - Step 5: Solve for x
x = 68,338,460,283,431,840/302,781,465.53 - Step 6: Final answer
x = 225,702,257.45
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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.