Finding the Fourth Proportional to 57,947,655.30, 86,931,980.55 and 29,121,245.70
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Solution
The fourth proportional to 57,947,655.30, 86,931,980.55 and 29,121,245.70 is: 43,687,144.06
Step by Step Solution
- Step 1: Write the proportion equation
57,947,655.30 : 86,931,980.55 = 29,121,245.70 : x - Step 2: Convert to fraction form
57,947,655.30/86,931,980.55 = 29,121,245.70/x - Step 3: Cross multiply
57,947,655.30x = 86,931,980.55 × 29,121,245.70 - Step 4: Simplify right side
57,947,655.30x = 2,531,567,564,784,171 - Step 5: Solve for x
x = 2,531,567,564,784,171/57,947,655.30 - Step 6: Final answer
x = 43,687,144.06
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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.