Finding the Fourth Proportional to 124,234,619.48, 171,451,445.28 and 68,479,914.14
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Solution
The fourth proportional to 124,234,619.48, 171,451,445.28 and 68,479,914.14 is: 94,506,509.55
Step by Step Solution
- Step 1: Write the proportion equation
124,234,619.48 : 171,451,445.28 = 68,479,914.14 : x - Step 2: Convert to fraction form
124,234,619.48/171,451,445.28 = 68,479,914.14/x - Step 3: Cross multiply
124,234,619.48x = 171,451,445.28 × 68,479,914.14 - Step 4: Simplify right side
124,234,619.48x = 11,740,980,251,953,308 - Step 5: Solve for x
x = 11,740,980,251,953,308/124,234,619.48 - Step 6: Final answer
x = 94,506,509.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.