Finding the Fourth Proportional to 166,213,078.80, 249,319,618.20 and 97,338,325.20
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Solution
The fourth proportional to 166,213,078.80, 249,319,618.20 and 97,338,325.20 is: 146,007,487.80
Step by Step Solution
- Step 1: Write the proportion equation
166,213,078.80 : 249,319,618.20 = 97,338,325.20 : x - Step 2: Convert to fraction form
166,213,078.80/249,319,618.20 = 97,338,325.20/x - Step 3: Cross multiply
166,213,078.80x = 249,319,618.20 × 97,338,325.20 - Step 4: Simplify right side
166,213,078.80x = 24,268,354,075,091,440 - Step 5: Solve for x
x = 24,268,354,075,091,440/166,213,078.80 - Step 6: Final answer
x = 146,007,487.80
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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.