Finding the Fourth Proportional to 120,963,887.70, 181,445,831.55 and 44,261,423.70
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Solution
The fourth proportional to 120,963,887.70, 181,445,831.55 and 44,261,423.70 is: 66,392,135.55
Step by Step Solution
- Step 1: Write the proportion equation
120,963,887.70 : 181,445,831.55 = 44,261,423.70 : x - Step 2: Convert to fraction form
120,963,887.70/181,445,831.55 = 44,261,423.70/x - Step 3: Cross multiply
120,963,887.70x = 181,445,831.55 × 44,261,423.70 - Step 4: Simplify right side
120,963,887.70x = 8,031,050,828,833,379 - Step 5: Solve for x
x = 8,031,050,828,833,379/120,963,887.70 - Step 6: Final answer
x = 66,392,135.55
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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.