Finding the Fourth Proportional to 265,888,125.18, 399,533,602.41 and 143,157,184.38
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Solution
The fourth proportional to 265,888,125.18, 399,533,602.41 and 143,157,184.38 is: 215,113,426.17
Step by Step Solution
- Step 1: Write the proportion equation
265,888,125.18 : 399,533,602.41 = 143,157,184.38 : x - Step 2: Convert to fraction form
265,888,125.18/399,533,602.41 = 143,157,184.38/x - Step 3: Cross multiply
265,888,125.18x = 399,533,602.41 × 143,157,184.38 - Step 4: Simplify right side
265,888,125.18x = 57,196,105,586,213,984 - Step 5: Solve for x
x = 57,196,105,586,213,984/265,888,125.18 - Step 6: Final answer
x = 215,113,426.17
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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.