Finding the Fourth Proportional to 147,147,415.68, 203,042,606.40 and 83,565,552
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Solution
The fourth proportional to 147,147,415.68, 203,042,606.40 and 83,565,552 is: 115,308,633.90
Step by Step Solution
- Step 1: Write the proportion equation
147,147,415.68 : 203,042,606.40 = 83,565,552 : x - Step 2: Convert to fraction form
147,147,415.68/203,042,606.40 = 83,565,552/x - Step 3: Cross multiply
147,147,415.68x = 203,042,606.40 × 83,565,552 - Step 4: Simplify right side
147,147,415.68x = 16,967,367,483,334,734 - Step 5: Solve for x
x = 16,967,367,483,334,734/147,147,415.68 - Step 6: Final answer
x = 115,308,633.90
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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.