Finding the Fourth Proportional to 160,283,842.27, 221,195,448.10 and 89,717,697.19
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Solution
The fourth proportional to 160,283,842.27, 221,195,448.10 and 89,717,697.19 is: 123,812,518.79
Step by Step Solution
- Step 1: Write the proportion equation
160,283,842.27 : 221,195,448.10 = 89,717,697.19 : x - Step 2: Convert to fraction form
160,283,842.27/221,195,448.10 = 89,717,697.19/x - Step 3: Cross multiply
160,283,842.27x = 221,195,448.10 × 89,717,697.19 - Step 4: Simplify right side
160,283,842.27x = 19,845,146,232,830,800 - Step 5: Solve for x
x = 19,845,146,232,830,800/160,283,842.27 - Step 6: Final answer
x = 123,812,518.79
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1.5x scale
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.