Finding the Fourth Proportional to 125,112,892.28, 187,679,551.16 and 62,832,176.21
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Solution
The fourth proportional to 125,112,892.28, 187,679,551.16 and 62,832,176.21 is: 94,253,393.20
Step by Step Solution
- Step 1: Write the proportion equation
125,112,892.28 : 187,679,551.16 = 62,832,176.21 : x - Step 2: Convert to fraction form
125,112,892.28/187,679,551.16 = 62,832,176.21/x - Step 3: Cross multiply
125,112,892.28x = 187,679,551.16 × 62,832,176.21 - Step 4: Simplify right side
125,112,892.28x = 11,792,314,630,125,108 - Step 5: Solve for x
x = 11,792,314,630,125,108/125,112,892.28 - Step 6: Final answer
x = 94,253,393.20
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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.