Finding the Fourth Proportional to 259,745,147.99, 358,435,518.14 and 142,271,000.67
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Solution
The fourth proportional to 259,745,147.99, 358,435,518.14 and 142,271,000.67 is: 196,326,977.56
Step by Step Solution
- Step 1: Write the proportion equation
259,745,147.99 : 358,435,518.14 = 142,271,000.67 : x - Step 2: Convert to fraction form
259,745,147.99/358,435,518.14 = 142,271,000.67/x - Step 3: Cross multiply
259,745,147.99x = 358,435,518.14 × 142,271,000.67 - Step 4: Simplify right side
259,745,147.99x = 50,994,979,840,736,376 - Step 5: Solve for x
x = 50,994,979,840,736,376/259,745,147.99 - Step 6: Final answer
x = 196,326,977.56
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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.