Finding the Fourth Proportional to 188,713,006.48, 260,432,328.36 and 106,212,134.80
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Solution
The fourth proportional to 188,713,006.48, 260,432,328.36 and 106,212,134.80 is: 146,577,462.16
Step by Step Solution
- Step 1: Write the proportion equation
188,713,006.48 : 260,432,328.36 = 106,212,134.80 : x - Step 2: Convert to fraction form
188,713,006.48/260,432,328.36 = 106,212,134.80/x - Step 3: Cross multiply
188,713,006.48x = 260,432,328.36 × 106,212,134.80 - Step 4: Simplify right side
188,713,006.48x = 27,661,073,566,050,184 - Step 5: Solve for x
x = 27,661,073,566,050,184/188,713,006.48 - Step 6: Final answer
x = 146,577,462.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.