Finding the Fourth Proportional to 51,445,869.31, 70,993,462.62 and 29,118,376.18
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Solution
The fourth proportional to 51,445,869.31, 70,993,462.62 and 29,118,376.18 is: 40,182,319.37
Step by Step Solution
- Step 1: Write the proportion equation
51,445,869.31 : 70,993,462.62 = 29,118,376.18 : x - Step 2: Convert to fraction form
51,445,869.31/70,993,462.62 = 29,118,376.18/x - Step 3: Cross multiply
51,445,869.31x = 70,993,462.62 × 29,118,376.18 - Step 4: Simplify right side
51,445,869.31x = 2,067,214,350,889,928.50 - Step 5: Solve for x
x = 2,067,214,350,889,928.50/51,445,869.31 - Step 6: Final answer
x = 40,182,319.37
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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.