Finding the Fourth Proportional to 157,030,808.20, 235,437,134.64 and 69,544,651.80
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Solution
The fourth proportional to 157,030,808.20, 235,437,134.64 and 69,544,651.80 is: 104,268,670.19
Step by Step Solution
- Step 1: Write the proportion equation
157,030,808.20 : 235,437,134.64 = 69,544,651.80 : x - Step 2: Convert to fraction form
157,030,808.20/235,437,134.64 = 69,544,651.80/x - Step 3: Cross multiply
157,030,808.20x = 235,437,134.64 × 69,544,651.80 - Step 4: Simplify right side
157,030,808.20x = 16,373,393,549,328,516 - Step 5: Solve for x
x = 16,373,393,549,328,516/157,030,808.20 - Step 6: Final answer
x = 104,268,670.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.