Finding the Fourth Proportional to 68,335,679.91, 102,518,577.43 and 19,815,559.47
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Solution
The fourth proportional to 68,335,679.91, 102,518,577.43 and 19,815,559.47 is: 29,727,705.50
Step by Step Solution
- Step 1: Write the proportion equation
68,335,679.91 : 102,518,577.43 = 19,815,559.47 : x - Step 2: Convert to fraction form
68,335,679.91/102,518,577.43 = 19,815,559.47/x - Step 3: Cross multiply
68,335,679.91x = 102,518,577.43 × 19,815,559.47 - Step 4: Simplify right side
68,335,679.91x = 2,031,462,967,843,964.75 - Step 5: Solve for x
x = 2,031,462,967,843,964.75/68,335,679.91 - Step 6: Final answer
x = 29,727,705.50
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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.