Finding the Fourth Proportional to 68,121,134.56, 94,130,134.61 and 48,507,972.46
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Solution
The fourth proportional to 68,121,134.56, 94,130,134.61 and 48,507,972.46 is: 67,028,566.20
Step by Step Solution
- Step 1: Write the proportion equation
68,121,134.56 : 94,130,134.61 = 48,507,972.46 : x - Step 2: Convert to fraction form
68,121,134.56/94,130,134.61 = 48,507,972.46/x - Step 3: Cross multiply
68,121,134.56x = 94,130,134.61 × 48,507,972.46 - Step 4: Simplify right side
68,121,134.56x = 4,566,061,977,317,973 - Step 5: Solve for x
x = 4,566,061,977,317,973/68,121,134.56 - Step 6: Final answer
x = 67,028,566.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.