Finding the Fourth Proportional to 199,740,213, 299,610,319.50 and 56,133,045
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Solution
The fourth proportional to 199,740,213, 299,610,319.50 and 56,133,045 is: 84,199,567.50
Step by Step Solution
- Step 1: Write the proportion equation
199,740,213 : 299,610,319.50 = 56,133,045 : x - Step 2: Convert to fraction form
199,740,213/299,610,319.50 = 56,133,045/x - Step 3: Cross multiply
199,740,213x = 299,610,319.50 × 56,133,045 - Step 4: Simplify right side
199,740,213x = 16,818,039,546,957,878 - Step 5: Solve for x
x = 16,818,039,546,957,878/199,740,213 - Step 6: Final answer
x = 84,199,567.50
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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.