Finding the Fourth Proportional to 239,041,144.17, 329,877,462.06 and 138,589,102.98
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Solution
The fourth proportional to 239,041,144.17, 329,877,462.06 and 138,589,102.98 is: 191,253,358.16
Step by Step Solution
- Step 1: Write the proportion equation
239,041,144.17 : 329,877,462.06 = 138,589,102.98 : x - Step 2: Convert to fraction form
239,041,144.17/329,877,462.06 = 138,589,102.98/x - Step 3: Cross multiply
239,041,144.17x = 329,877,462.06 × 138,589,102.98 - Step 4: Simplify right side
239,041,144.17x = 45,717,421,560,214,376 - Step 5: Solve for x
x = 45,717,421,560,214,376/239,041,144.17 - Step 6: Final answer
x = 191,253,358.16
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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.