Finding the Fourth Proportional to 133,120,889.78, 183,713,924.27 and 74,384,980.70
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Solution
The fourth proportional to 133,120,889.78, 183,713,924.27 and 74,384,980.70 is: 102,655,238.66
Step by Step Solution
- Step 1: Write the proportion equation
133,120,889.78 : 183,713,924.27 = 74,384,980.70 : x - Step 2: Convert to fraction form
133,120,889.78/183,713,924.27 = 74,384,980.70/x - Step 3: Cross multiply
133,120,889.78x = 183,713,924.27 × 74,384,980.70 - Step 4: Simplify right side
133,120,889.78x = 13,665,556,710,412,604 - Step 5: Solve for x
x = 13,665,556,710,412,604/133,120,889.78 - Step 6: Final answer
x = 102,655,238.66
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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.