Finding the Fourth Proportional to 288,163,752.05, 431,548,776.02 and 164,968,420.93
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Solution
The fourth proportional to 288,163,752.05, 431,548,776.02 and 164,968,420.93 is: 247,053,696.48
Step by Step Solution
- Step 1: Write the proportion equation
288,163,752.05 : 431,548,776.02 = 164,968,420.93 : x - Step 2: Convert to fraction form
288,163,752.05/431,548,776.02 = 164,968,420.93/x - Step 3: Cross multiply
288,163,752.05x = 431,548,776.02 × 164,968,420.93 - Step 4: Simplify right side
288,163,752.05x = 71,191,920,134,293,648 - Step 5: Solve for x
x = 71,191,920,134,293,648/288,163,752.05 - Step 6: Final answer
x = 247,053,696.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.