Finding the Fourth Proportional to 63,360,655.21, 87,437,739.77 and 34,387,279.21
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Solution
The fourth proportional to 63,360,655.21, 87,437,739.77 and 34,387,279.21 is: 47,454,464.62
Step by Step Solution
- Step 1: Write the proportion equation
63,360,655.21 : 87,437,739.77 = 34,387,279.21 : x - Step 2: Convert to fraction form
63,360,655.21/87,437,739.77 = 34,387,279.21/x - Step 3: Cross multiply
63,360,655.21x = 87,437,739.77 × 34,387,279.21 - Step 4: Simplify right side
63,360,655.21x = 3,006,745,970,962,311 - Step 5: Solve for x
x = 3,006,745,970,962,311/63,360,655.21 - Step 6: Final answer
x = 47,454,464.62
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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.