Finding the Fourth Proportional to 205,406,483.12, 283,490,014.84 and 127,115,258.39
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Solution
The fourth proportional to 205,406,483.12, 283,490,014.84 and 127,115,258.39 is: 175,437,045.31
Step by Step Solution
- Step 1: Write the proportion equation
205,406,483.12 : 283,490,014.84 = 127,115,258.39 : x - Step 2: Convert to fraction form
205,406,483.12/283,490,014.84 = 127,115,258.39/x - Step 3: Cross multiply
205,406,483.12x = 283,490,014.84 × 127,115,258.39 - Step 4: Simplify right side
205,406,483.12x = 36,035,906,485,954,080 - Step 5: Solve for x
x = 36,035,906,485,954,080/205,406,483.12 - Step 6: Final answer
x = 175,437,045.31
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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.