Finding the Fourth Proportional to 235,004,470.36, 324,299,719.47 and 130,579,856.80
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Solution
The fourth proportional to 235,004,470.36, 324,299,719.47 and 130,579,856.80 is: 180,196,618.66
Step by Step Solution
- Step 1: Write the proportion equation
235,004,470.36 : 324,299,719.47 = 130,579,856.80 : x - Step 2: Convert to fraction form
235,004,470.36/324,299,719.47 = 130,579,856.80/x - Step 3: Cross multiply
235,004,470.36x = 324,299,719.47 × 130,579,856.80 - Step 4: Simplify right side
235,004,470.36x = 42,347,010,928,672,776 - Step 5: Solve for x
x = 42,347,010,928,672,776/235,004,470.36 - Step 6: Final answer
x = 180,196,618.66
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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.