Finding the Fourth Proportional to 276,038,534.70, 413,706,132.45 and 146,708,102.70
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Solution
The fourth proportional to 276,038,534.70, 413,706,132.45 and 146,708,102.70 is: 219,875,249.78
Step by Step Solution
- Step 1: Write the proportion equation
276,038,534.70 : 413,706,132.45 = 146,708,102.70 : x - Step 2: Convert to fraction form
276,038,534.70/413,706,132.45 = 146,708,102.70/x - Step 3: Cross multiply
276,038,534.70x = 413,706,132.45 × 146,708,102.70 - Step 4: Simplify right side
276,038,534.70x = 60,694,041,767,094,392 - Step 5: Solve for x
x = 60,694,041,767,094,392/276,038,534.70 - Step 6: Final answer
x = 219,875,249.78
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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.