Finding the Fourth Proportional to 86,720,044.08, 130,114,112.01 and 38,163,837.08
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Solution
The fourth proportional to 86,720,044.08, 130,114,112.01 and 38,163,837.08 is: 57,260,738.57
Step by Step Solution
- Step 1: Write the proportion equation
86,720,044.08 : 130,114,112.01 = 38,163,837.08 : x - Step 2: Convert to fraction form
86,720,044.08/130,114,112.01 = 38,163,837.08/x - Step 3: Cross multiply
86,720,044.08x = 130,114,112.01 × 38,163,837.08 - Step 4: Simplify right side
86,720,044.08x = 4,965,653,772,955,545 - Step 5: Solve for x
x = 4,965,653,772,955,545/86,720,044.08 - Step 6: Final answer
x = 57,260,738.57
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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.