Finding the Fourth Proportional to 179,272,259.20, 247,408,387.18 and 99,892,590.08
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Solution
The fourth proportional to 179,272,259.20, 247,408,387.18 and 99,892,590.08 is: 137,858,833.89
Step by Step Solution
- Step 1: Write the proportion equation
179,272,259.20 : 247,408,387.18 = 99,892,590.08 : x - Step 2: Convert to fraction form
179,272,259.20/247,408,387.18 = 99,892,590.08/x - Step 3: Cross multiply
179,272,259.20x = 247,408,387.18 × 99,892,590.08 - Step 4: Simplify right side
179,272,259.20x = 24,714,264,602,925,668 - Step 5: Solve for x
x = 24,714,264,602,925,668/179,272,259.20 - Step 6: Final answer
x = 137,858,833.89
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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.