Finding the Fourth Proportional to 288,163,751.05, 431,548,774.52 and 164,968,419.93
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Solution
The fourth proportional to 288,163,751.05, 431,548,774.52 and 164,968,419.93 is: 247,053,694.99
Step by Step Solution
- Step 1: Write the proportion equation
288,163,751.05 : 431,548,774.52 = 164,968,419.93 : x - Step 2: Convert to fraction form
288,163,751.05/431,548,774.52 = 164,968,419.93/x - Step 3: Cross multiply
288,163,751.05x = 431,548,774.52 × 164,968,419.93 - Step 4: Simplify right side
288,163,751.05x = 71,191,919,457,886,368 - Step 5: Solve for x
x = 71,191,919,457,886,368/288,163,751.05 - Step 6: Final answer
x = 247,053,694.99
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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.