Finding the Fourth Proportional to 294,556,012.70, 441,898,681.75 and 87,310,408.79
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Solution
The fourth proportional to 294,556,012.70, 441,898,681.75 and 87,310,408.79 is: 130,984,780.09
Step by Step Solution
- Step 1: Write the proportion equation
294,556,012.70 : 441,898,681.75 = 87,310,408.79 : x - Step 2: Convert to fraction form
294,556,012.70/441,898,681.75 = 87,310,408.79/x - Step 3: Cross multiply
294,556,012.70x = 441,898,681.75 × 87,310,408.79 - Step 4: Simplify right side
294,556,012.70x = 38,582,354,548,241,088 - Step 5: Solve for x
x = 38,582,354,548,241,088/294,556,012.70 - Step 6: Final answer
x = 130,984,780.09
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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.