Finding the Fourth Proportional to 193,956,831.10, 290,935,246.65 and 121,255,702.30
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Solution
The fourth proportional to 193,956,831.10, 290,935,246.65 and 121,255,702.30 is: 181,883,553.45
Step by Step Solution
- Step 1: Write the proportion equation
193,956,831.10 : 290,935,246.65 = 121,255,702.30 : x - Step 2: Convert to fraction form
193,956,831.10/290,935,246.65 = 121,255,702.30/x - Step 3: Cross multiply
193,956,831.10x = 290,935,246.65 × 121,255,702.30 - Step 4: Simplify right side
193,956,831.10x = 35,277,557,656,369,468 - Step 5: Solve for x
x = 35,277,557,656,369,468/193,956,831.10 - Step 6: Final answer
x = 181,883,553.45
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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.