Finding the Fourth Proportional to 162,340,831.18, 243,508,440.93 and 54,635,455.18
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Solution
The fourth proportional to 162,340,831.18, 243,508,440.93 and 54,635,455.18 is: 81,952,238.47
Step by Step Solution
- Step 1: Write the proportion equation
162,340,831.18 : 243,508,440.93 = 54,635,455.18 : x - Step 2: Convert to fraction form
162,340,831.18/243,508,440.93 = 54,635,455.18/x - Step 3: Cross multiply
162,340,831.18x = 243,508,440.93 × 54,635,455.18 - Step 4: Simplify right side
162,340,831.18x = 13,304,194,510,382,692 - Step 5: Solve for x
x = 13,304,194,510,382,692/162,340,831.18 - Step 6: Final answer
x = 81,952,238.47
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1.5x scale
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.