Finding the Fourth Proportional to 257,511,807.92, 355,361,367.64 and 141,618,303.92
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Solution
The fourth proportional to 257,511,807.92, 355,361,367.64 and 141,618,303.92 is: 195,430,549.65
Step by Step Solution
- Step 1: Write the proportion equation
257,511,807.92 : 355,361,367.64 = 141,618,303.92 : x - Step 2: Convert to fraction form
257,511,807.92/355,361,367.64 = 141,618,303.92/x - Step 3: Cross multiply
257,511,807.92x = 355,361,367.64 × 141,618,303.92 - Step 4: Simplify right side
257,511,807.92x = 50,325,674,163,868,368 - Step 5: Solve for x
x = 50,325,674,163,868,368/257,511,807.92 - Step 6: Final answer
x = 195,430,549.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.