Finding the Fourth Proportional to 157,030,807.21, 235,437,133.14 and 69,544,650.80
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Solution
The fourth proportional to 157,030,807.21, 235,437,133.14 and 69,544,650.80 is: 104,268,668.68
Step by Step Solution
- Step 1: Write the proportion equation
157,030,807.21 : 235,437,133.14 = 69,544,650.80 : x - Step 2: Convert to fraction form
157,030,807.21/235,437,133.14 = 69,544,650.80/x - Step 3: Cross multiply
157,030,807.21x = 235,437,133.14 × 69,544,650.80 - Step 4: Simplify right side
157,030,807.21x = 16,373,393,209,574,406 - Step 5: Solve for x
x = 16,373,393,209,574,406/157,030,807.21 - Step 6: Final answer
x = 104,268,668.68
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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.