Finding the Fourth Proportional to 115,471,955.41, 159,349,979.07 and 62,547,665.32
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Solution
The fourth proportional to 115,471,955.41, 159,349,979.07 and 62,547,665.32 is: 86,315,063.46
Step by Step Solution
- Step 1: Write the proportion equation
115,471,955.41 : 159,349,979.07 = 62,547,665.32 : x - Step 2: Convert to fraction form
115,471,955.41/159,349,979.07 = 62,547,665.32/x - Step 3: Cross multiply
115,471,955.41x = 159,349,979.07 × 62,547,665.32 - Step 4: Simplify right side
115,471,955.41x = 9,966,969,158,822,614 - Step 5: Solve for x
x = 9,966,969,158,822,614/115,471,955.41 - Step 6: Final answer
x = 86,315,063.46
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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.