Finding the Fourth Proportional to 227,583,948.58, 314,065,722.81 and 128,465,551.97
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Solution
The fourth proportional to 227,583,948.58, 314,065,722.81 and 128,465,551.97 is: 177,282,390.47
Step by Step Solution
- Step 1: Write the proportion equation
227,583,948.58 : 314,065,722.81 = 128,465,551.97 : x - Step 2: Convert to fraction form
227,583,948.58/314,065,722.81 = 128,465,551.97/x - Step 3: Cross multiply
227,583,948.58x = 314,065,722.81 × 128,465,551.97 - Step 4: Simplify right side
227,583,948.58x = 40,346,626,435,732,840 - Step 5: Solve for x
x = 40,346,626,435,732,840/227,583,948.58 - Step 6: Final answer
x = 177,282,390.47
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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.