Finding the Fourth Proportional to 147,219,864.48, 203,160,746.16 and 80,239,402.08
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Solution
The fourth proportional to 147,219,864.48, 203,160,746.16 and 80,239,402.08 is: 110,728,921.37
Step by Step Solution
- Step 1: Write the proportion equation
147,219,864.48 : 203,160,746.16 = 80,239,402.08 : x - Step 2: Convert to fraction form
147,219,864.48/203,160,746.16 = 80,239,402.08/x - Step 3: Cross multiply
147,219,864.48x = 203,160,746.16 × 80,239,402.08 - Step 4: Simplify right side
147,219,864.48x = 16,301,496,798,005,056 - Step 5: Solve for x
x = 16,301,496,798,005,056/147,219,864.48 - Step 6: Final answer
x = 110,728,921.37
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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.