Finding the Fourth Proportional to 246,651,981.70, 340,352,272.80 and 136,616,138.50
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Solution
The fourth proportional to 246,651,981.70, 340,352,272.80 and 136,616,138.50 is: 188,515,060.45
Step by Step Solution
- Step 1: Write the proportion equation
246,651,981.70 : 340,352,272.80 = 136,616,138.50 : x - Step 2: Convert to fraction form
246,651,981.70/340,352,272.80 = 136,616,138.50/x - Step 3: Cross multiply
246,651,981.70x = 340,352,272.80 × 136,616,138.50 - Step 4: Simplify right side
246,651,981.70x = 46,497,613,239,634,584 - Step 5: Solve for x
x = 46,497,613,239,634,584/246,651,981.70 - Step 6: Final answer
x = 188,515,060.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.