Finding the Fourth Proportional to 64,745,904.10, 97,118,856.15 and 61,759,920.10
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Solution
The fourth proportional to 64,745,904.10, 97,118,856.15 and 61,759,920.10 is: 92,639,880.15
Step by Step Solution
- Step 1: Write the proportion equation
64,745,904.10 : 97,118,856.15 = 61,759,920.10 : x - Step 2: Convert to fraction form
64,745,904.10/97,118,856.15 = 61,759,920.10/x - Step 3: Cross multiply
64,745,904.10x = 97,118,856.15 × 61,759,920.10 - Step 4: Simplify right side
64,745,904.10x = 5,998,052,796,027,394 - Step 5: Solve for x
x = 5,998,052,796,027,394/64,745,904.10 - Step 6: Final answer
x = 92,639,880.15
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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.