Finding the Fourth Proportional to 118,088,897.98, 177,121,387.50 and 31,836,023.68
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Solution
The fourth proportional to 118,088,897.98, 177,121,387.50 and 31,836,023.68 is: 47,750,811.32
Step by Step Solution
- Step 1: Write the proportion equation
118,088,897.98 : 177,121,387.50 = 31,836,023.68 : x - Step 2: Convert to fraction form
118,088,897.98/177,121,387.50 = 31,836,023.68/x - Step 3: Cross multiply
118,088,897.98x = 177,121,387.50 × 31,836,023.68 - Step 4: Simplify right side
118,088,897.98x = 5,638,840,686,454,370 - Step 5: Solve for x
x = 5,638,840,686,454,370/118,088,897.98 - Step 6: Final answer
x = 47,750,811.32
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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.