Finding the Fourth Proportional to 74,975,420.16, 112,468,064.78 and 19,644,609.94
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Solution
The fourth proportional to 74,975,420.16, 112,468,064.78 and 19,644,609.94 is: 29,468,207.82
Step by Step Solution
- Step 1: Write the proportion equation
74,975,420.16 : 112,468,064.78 = 19,644,609.94 : x - Step 2: Convert to fraction form
74,975,420.16/112,468,064.78 = 19,644,609.94/x - Step 3: Cross multiply
74,975,420.16x = 112,468,064.78 × 19,644,609.94 - Step 4: Simplify right side
74,975,420.16x = 2,209,391,262,930,358.75 - Step 5: Solve for x
x = 2,209,391,262,930,358.75/74,975,420.16 - Step 6: Final answer
x = 29,468,207.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.