Finding the Fourth Proportional to 150,316,270.78, 207,362,740.17 and 130,442,141.98
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Solution
The fourth proportional to 150,316,270.78, 207,362,740.17 and 130,442,141.98 is: 179,946,188.49
Step by Step Solution
- Step 1: Write the proportion equation
150,316,270.78 : 207,362,740.17 = 130,442,141.98 : x - Step 2: Convert to fraction form
150,316,270.78/207,362,740.17 = 130,442,141.98/x - Step 3: Cross multiply
150,316,270.78x = 207,362,740.17 × 130,442,141.98 - Step 4: Simplify right side
150,316,270.78x = 27,048,839,994,616,988 - Step 5: Solve for x
x = 27,048,839,994,616,988/150,316,270.78 - Step 6: Final answer
x = 179,946,188.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.