Finding the Fourth Proportional to 68,121,056.01, 94,130,026.10 and 48,507,893.76
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Solution
The fourth proportional to 68,121,056.01, 94,130,026.10 and 48,507,893.76 is: 67,028,457.47
Step by Step Solution
- Step 1: Write the proportion equation
68,121,056.01 : 94,130,026.10 = 48,507,893.76 : x - Step 2: Convert to fraction form
68,121,056.01/94,130,026.10 = 48,507,893.76/x - Step 3: Cross multiply
68,121,056.01x = 94,130,026.10 × 48,507,893.76 - Step 4: Simplify right side
68,121,056.01x = 4,566,049,305,442,287 - Step 5: Solve for x
x = 4,566,049,305,442,287/68,121,056.01 - Step 6: Final answer
x = 67,028,457.47
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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.