Finding the Fourth Proportional to 97,805,721.60, 146,708,582.40 and 73,412,579.70
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Solution
The fourth proportional to 97,805,721.60, 146,708,582.40 and 73,412,579.70 is: 110,118,869.55
Step by Step Solution
- Step 1: Write the proportion equation
97,805,721.60 : 146,708,582.40 = 73,412,579.70 : x - Step 2: Convert to fraction form
97,805,721.60/146,708,582.40 = 73,412,579.70/x - Step 3: Cross multiply
97,805,721.60x = 146,708,582.40 × 73,412,579.70 - Step 4: Simplify right side
97,805,721.60x = 10,770,255,498,114,018 - Step 5: Solve for x
x = 10,770,255,498,114,018/97,805,721.60 - Step 6: Final answer
x = 110,118,869.55
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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.