Finding the Fourth Proportional to 74,886,746.60, 112,330,119.90 and 69,847,898.60
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Solution
The fourth proportional to 74,886,746.60, 112,330,119.90 and 69,847,898.60 is: 104,771,847.90
Step by Step Solution
- Step 1: Write the proportion equation
74,886,746.60 : 112,330,119.90 = 69,847,898.60 : x - Step 2: Convert to fraction form
74,886,746.60/112,330,119.90 = 69,847,898.60/x - Step 3: Cross multiply
74,886,746.60x = 112,330,119.90 × 69,847,898.60 - Step 4: Simplify right side
74,886,746.60x = 7,846,022,824,501,042 - Step 5: Solve for x
x = 7,846,022,824,501,042/74,886,746.60 - Step 6: Final answer
x = 104,771,847.90
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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.