Finding the Fourth Proportional to 89,984,343.15, 124,177,775.36 and 48,730,291.47
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Solution
The fourth proportional to 89,984,343.15, 124,177,775.36 and 48,730,291.47 is: 67,247,467.45
Step by Step Solution
- Step 1: Write the proportion equation
89,984,343.15 : 124,177,775.36 = 48,730,291.47 : x - Step 2: Convert to fraction form
89,984,343.15/124,177,775.36 = 48,730,291.47/x - Step 3: Cross multiply
89,984,343.15x = 124,177,775.36 × 48,730,291.47 - Step 4: Simplify right side
89,984,343.15x = 6,051,219,187,145,333 - Step 5: Solve for x
x = 6,051,219,187,145,333/89,984,343.15 - Step 6: Final answer
x = 67,247,467.45
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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.