Finding the Fourth Proportional to 157,030,631.99, 235,436,870.88 and 69,544,475.58
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Solution
The fourth proportional to 157,030,631.99, 235,436,870.88 and 69,544,475.58 is: 104,268,406.17
Step by Step Solution
- Step 1: Write the proportion equation
157,030,631.99 : 235,436,870.88 = 69,544,475.58 : x - Step 2: Convert to fraction form
157,030,631.99/235,436,870.88 = 69,544,475.58/x - Step 3: Cross multiply
157,030,631.99x = 235,436,870.88 × 69,544,475.58 - Step 4: Simplify right side
157,030,631.99x = 16,373,333,717,545,772 - Step 5: Solve for x
x = 16,373,333,717,545,772/157,030,631.99 - Step 6: Final answer
x = 104,268,406.17
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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.