Finding the Fourth Proportional to 99,641,632.70, 149,462,449.05 and 27,838,048.70
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Solution
The fourth proportional to 99,641,632.70, 149,462,449.05 and 27,838,048.70 is: 41,757,073.05
Step by Step Solution
- Step 1: Write the proportion equation
99,641,632.70 : 149,462,449.05 = 27,838,048.70 : x - Step 2: Convert to fraction form
99,641,632.70/149,462,449.05 = 27,838,048.70/x - Step 3: Cross multiply
99,641,632.70x = 149,462,449.05 × 27,838,048.70 - Step 4: Simplify right side
99,641,632.70x = 4,160,742,935,475,169 - Step 5: Solve for x
x = 4,160,742,935,475,169/99,641,632.70 - Step 6: Final answer
x = 41,757,073.05
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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.