Finding the Fourth Proportional to 203,423,040.84, 280,720,489.14 and 110,605,886.04
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Solution
The fourth proportional to 203,423,040.84, 280,720,489.14 and 110,605,886.04 is: 152,634,324.52
Step by Step Solution
- Step 1: Write the proportion equation
203,423,040.84 : 280,720,489.14 = 110,605,886.04 : x - Step 2: Convert to fraction form
203,423,040.84/280,720,489.14 = 110,605,886.04/x - Step 3: Cross multiply
203,423,040.84x = 280,720,489.14 × 110,605,886.04 - Step 4: Simplify right side
203,423,040.84x = 31,049,338,430,911,896 - Step 5: Solve for x
x = 31,049,338,430,911,896/203,423,040.84 - Step 6: Final answer
x = 152,634,324.52
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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.