Finding the Fourth Proportional to 156,794,306.18, 235,222,853.65 and 87,805,219.05
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Solution
The fourth proportional to 156,794,306.18, 235,222,853.65 and 87,805,219.05 is: 131,725,409.51
Step by Step Solution
- Step 1: Write the proportion equation
156,794,306.18 : 235,222,853.65 = 87,805,219.05 : x - Step 2: Convert to fraction form
156,794,306.18/235,222,853.65 = 87,805,219.05/x - Step 3: Cross multiply
156,794,306.18x = 235,222,853.65 × 87,805,219.05 - Step 4: Simplify right side
156,794,306.18x = 20,653,794,190,084,828 - Step 5: Solve for x
x = 20,653,794,190,084,828/156,794,306.18 - Step 6: Final answer
x = 131,725,409.51
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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.