Finding the Fourth Proportional to 71,679,201.72, 107,518,495.71 and 19,863,656.38
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Solution
The fourth proportional to 71,679,201.72, 107,518,495.71 and 19,863,656.38 is: 29,795,399.53
Step by Step Solution
- Step 1: Write the proportion equation
71,679,201.72 : 107,518,495.71 = 19,863,656.38 : x - Step 2: Convert to fraction form
71,679,201.72/107,518,495.71 = 19,863,656.38/x - Step 3: Cross multiply
71,679,201.72x = 107,518,495.71 × 19,863,656.38 - Step 4: Simplify right side
71,679,201.72x = 2,135,710,453,009,148 - Step 5: Solve for x
x = 2,135,710,453,009,148/71,679,201.72 - Step 6: Final answer
x = 29,795,399.53
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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.