Finding the Fourth Proportional to 145,824,124.11, 201,252,886.40 and 89,346,351.06
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Solution
The fourth proportional to 145,824,124.11, 201,252,886.40 and 89,346,351.06 is: 123,307,519.59
Step by Step Solution
- Step 1: Write the proportion equation
145,824,124.11 : 201,252,886.40 = 89,346,351.06 : x - Step 2: Convert to fraction form
145,824,124.11/201,252,886.40 = 89,346,351.06/x - Step 3: Cross multiply
145,824,124.11x = 201,252,886.40 × 89,346,351.06 - Step 4: Simplify right side
145,824,124.11x = 17,981,211,040,132,700 - Step 5: Solve for x
x = 17,981,211,040,132,700/145,824,124.11 - Step 6: Final answer
x = 123,307,519.59
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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.