Finding the Fourth Proportional to 163,577,965.57, 225,733,959.53 and 90,239,088.13
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Solution
The fourth proportional to 163,577,965.57, 225,733,959.53 and 90,239,088.13 is: 124,527,937.47
Step by Step Solution
- Step 1: Write the proportion equation
163,577,965.57 : 225,733,959.53 = 90,239,088.13 : x - Step 2: Convert to fraction form
163,577,965.57/225,733,959.53 = 90,239,088.13/x - Step 3: Cross multiply
163,577,965.57x = 225,733,959.53 × 90,239,088.13 - Step 4: Simplify right side
163,577,965.57x = 20,370,026,667,961,524 - Step 5: Solve for x
x = 20,370,026,667,961,524/163,577,965.57 - Step 6: Final answer
x = 124,527,937.47
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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.