Finding the Fourth Proportional to 169,119,289.13, 233,380,649.59 and 99,509,178.65
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Solution
The fourth proportional to 169,119,289.13, 233,380,649.59 and 99,509,178.65 is: 137,320,330.95
Step by Step Solution
- Step 1: Write the proportion equation
169,119,289.13 : 233,380,649.59 = 99,509,178.65 : x - Step 2: Convert to fraction form
169,119,289.13/233,380,649.59 = 99,509,178.65/x - Step 3: Cross multiply
169,119,289.13x = 233,380,649.59 × 99,509,178.65 - Step 4: Simplify right side
169,119,289.13x = 23,223,516,752,088,684 - Step 5: Solve for x
x = 23,223,516,752,088,684/169,119,289.13 - Step 6: Final answer
x = 137,320,330.95
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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.