Finding the Fourth Proportional to 121,571,252.96, 167,768,600.64 and 65,817,260.96
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Solution
The fourth proportional to 121,571,252.96, 167,768,600.64 and 65,817,260.96 is: 90,827,967.14
Step by Step Solution
- Step 1: Write the proportion equation
121,571,252.96 : 167,768,600.64 = 65,817,260.96 : x - Step 2: Convert to fraction form
121,571,252.96/167,768,600.64 = 65,817,260.96/x - Step 3: Cross multiply
121,571,252.96x = 167,768,600.64 × 65,817,260.96 - Step 4: Simplify right side
121,571,252.96x = 11,042,069,769,216,902 - Step 5: Solve for x
x = 11,042,069,769,216,902/121,571,252.96 - Step 6: Final answer
x = 90,827,967.14
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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.