Finding the Fourth Proportional to 75,268,622.29, 112,889,465.16 and 47,893,598.23
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Solution
The fourth proportional to 75,268,622.29, 112,889,465.16 and 47,893,598.23 is: 71,831,827.45
Step by Step Solution
- Step 1: Write the proportion equation
75,268,622.29 : 112,889,465.16 = 47,893,598.23 : x - Step 2: Convert to fraction form
75,268,622.29/112,889,465.16 = 47,893,598.23/x - Step 3: Cross multiply
75,268,622.29x = 112,889,465.16 × 47,893,598.23 - Step 4: Simplify right side
75,268,622.29x = 5,406,682,688,772,622 - Step 5: Solve for x
x = 5,406,682,688,772,622/75,268,622.29 - Step 6: Final answer
x = 71,831,827.45
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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.