Finding the Fourth Proportional to 97,805,449.20, 146,708,173.80 and 63,793,225.20
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Solution
The fourth proportional to 97,805,449.20, 146,708,173.80 and 63,793,225.20 is: 95,689,837.80
Step by Step Solution
- Step 1: Write the proportion equation
97,805,449.20 : 146,708,173.80 = 63,793,225.20 : x - Step 2: Convert to fraction form
97,805,449.20/146,708,173.80 = 63,793,225.20/x - Step 3: Cross multiply
97,805,449.20x = 146,708,173.80 × 63,793,225.20 - Step 4: Simplify right side
97,805,449.20x = 9,358,987,569,904,140 - Step 5: Solve for x
x = 9,358,987,569,904,140/97,805,449.20 - Step 6: Final answer
x = 95,689,837.80
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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.