Finding the Fourth Proportional to 178,733,479.80, 268,100,219.70 and 110,709,031.80
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Solution
The fourth proportional to 178,733,479.80, 268,100,219.70 and 110,709,031.80 is: 166,063,547.70
Step by Step Solution
- Step 1: Write the proportion equation
178,733,479.80 : 268,100,219.70 = 110,709,031.80 : x - Step 2: Convert to fraction form
178,733,479.80/268,100,219.70 = 110,709,031.80/x - Step 3: Cross multiply
178,733,479.80x = 268,100,219.70 × 110,709,031.80 - Step 4: Simplify right side
178,733,479.80x = 29,681,115,748,354,284 - Step 5: Solve for x
x = 29,681,115,748,354,284/178,733,479.80 - Step 6: Final answer
x = 166,063,547.70
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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.