Finding the Fourth Proportional to 219,258,649.99, 328,778,540.53 and 71,686,987.48
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Solution
The fourth proportional to 219,258,649.99, 328,778,540.53 and 71,686,987.48 is: 107,494,701.44
Step by Step Solution
- Step 1: Write the proportion equation
219,258,649.99 : 328,778,540.53 = 71,686,987.48 : x - Step 2: Convert to fraction form
219,258,649.99/328,778,540.53 = 71,686,987.48/x - Step 3: Cross multiply
219,258,649.99x = 328,778,540.53 × 71,686,987.48 - Step 4: Simplify right side
219,258,649.99x = 23,569,143,118,898,536 - Step 5: Solve for x
x = 23,569,143,118,898,536/219,258,649.99 - Step 6: Final answer
x = 107,494,701.44
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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.