Finding the Fourth Proportional to 157,030,807.95, 235,437,134.26 and 69,544,651.55
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Solution
The fourth proportional to 157,030,807.95, 235,437,134.26 and 69,544,651.55 is: 104,268,669.81
Step by Step Solution
- Step 1: Write the proportion equation
157,030,807.95 : 235,437,134.26 = 69,544,651.55 : x - Step 2: Convert to fraction form
157,030,807.95/235,437,134.26 = 69,544,651.55/x - Step 3: Cross multiply
157,030,807.95x = 235,437,134.26 × 69,544,651.55 - Step 4: Simplify right side
157,030,807.95x = 16,373,393,464,042,266 - Step 5: Solve for x
x = 16,373,393,464,042,266/157,030,807.95 - Step 6: Final answer
x = 104,268,669.81
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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.