Finding the Fourth Proportional to 149,850,207.80, 224,775,311.70 and 42,144,831.80
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Solution
The fourth proportional to 149,850,207.80, 224,775,311.70 and 42,144,831.80 is: 63,217,247.70
Step by Step Solution
- Step 1: Write the proportion equation
149,850,207.80 : 224,775,311.70 = 42,144,831.80 : x - Step 2: Convert to fraction form
149,850,207.80/224,775,311.70 = 42,144,831.80/x - Step 3: Cross multiply
149,850,207.80x = 224,775,311.70 × 42,144,831.80 - Step 4: Simplify right side
149,850,207.80x = 9,473,117,704,389,070 - Step 5: Solve for x
x = 9,473,117,704,389,070/149,850,207.80 - Step 6: Final answer
x = 63,217,247.70
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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.