Finding the Fourth Proportional to 316,625,756.41, 474,998,297.80 and 119,948,078.23
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Solution
The fourth proportional to 316,625,756.41, 474,998,297.80 and 119,948,078.23 is: 179,944,719.69
Step by Step Solution
- Step 1: Write the proportion equation
316,625,756.41 : 474,998,297.80 = 119,948,078.23 : x - Step 2: Convert to fraction form
316,625,756.41/474,998,297.80 = 119,948,078.23/x - Step 3: Cross multiply
316,625,756.41x = 474,998,297.80 × 119,948,078.23 - Step 4: Simplify right side
316,625,756.41x = 56,975,132,983,631,240 - Step 5: Solve for x
x = 56,975,132,983,631,240/316,625,756.41 - Step 6: Final answer
x = 179,944,719.69
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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.