Finding the Fourth Proportional to 117,518,531.20, 176,277,796.80 and 63,098,972.80
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Solution
The fourth proportional to 117,518,531.20, 176,277,796.80 and 63,098,972.80 is: 94,648,459.20
Step by Step Solution
- Step 1: Write the proportion equation
117,518,531.20 : 176,277,796.80 = 63,098,972.80 : x - Step 2: Convert to fraction form
117,518,531.20/176,277,796.80 = 63,098,972.80/x - Step 3: Cross multiply
117,518,531.20x = 176,277,796.80 × 63,098,972.80 - Step 4: Simplify right side
117,518,531.20x = 11,122,947,905,527,128 - Step 5: Solve for x
x = 11,122,947,905,527,128/117,518,531.20 - Step 6: Final answer
x = 94,648,459.20
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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.