Finding the Fourth Proportional to 302,897,421.60, 417,998,553.36 and 163,668,182.88
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Solution
The fourth proportional to 302,897,421.60, 417,998,553.36 and 163,668,182.88 is: 225,862,152.65
Step by Step Solution
- Step 1: Write the proportion equation
302,897,421.60 : 417,998,553.36 = 163,668,182.88 : x - Step 2: Convert to fraction form
302,897,421.60/417,998,553.36 = 163,668,182.88/x - Step 3: Cross multiply
302,897,421.60x = 417,998,553.36 × 163,668,182.88 - Step 4: Simplify right side
302,897,421.60x = 68,413,063,674,899,920 - Step 5: Solve for x
x = 68,413,063,674,899,920/302,897,421.60 - Step 6: Final answer
x = 225,862,152.65
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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.