Finding the Fourth Proportional to 72,815,341.32, 109,230,688.62 and 24,276,276
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Solution
The fourth proportional to 72,815,341.32, 109,230,688.62 and 24,276,276 is: 36,416,973.35
Step by Step Solution
- Step 1: Write the proportion equation
72,815,341.32 : 109,230,688.62 = 24,276,276 : x - Step 2: Convert to fraction form
72,815,341.32/109,230,688.62 = 24,276,276/x - Step 3: Cross multiply
72,815,341.32x = 109,230,688.62 × 24,276,276 - Step 4: Simplify right side
72,815,341.32x = 2,651,714,344,609,179 - Step 5: Solve for x
x = 2,651,714,344,609,179/72,815,341.32 - Step 6: Final answer
x = 36,416,973.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.