Finding the Fourth Proportional to 40,203,501.98, 60,311,979.35 and 31,567,254.08
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Solution
The fourth proportional to 40,203,501.98, 60,311,979.35 and 31,567,254.08 is: 47,356,162.58
Step by Step Solution
- Step 1: Write the proportion equation
40,203,501.98 : 60,311,979.35 = 31,567,254.08 : x - Step 2: Convert to fraction form
40,203,501.98/60,311,979.35 = 31,567,254.08/x - Step 3: Cross multiply
40,203,501.98x = 60,311,979.35 × 31,567,254.08 - Step 4: Simplify right side
40,203,501.98x = 1,903,883,576,209,163.25 - Step 5: Solve for x
x = 1,903,883,576,209,163.25/40,203,501.98 - Step 6: Final answer
x = 47,356,162.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.