Finding the Fourth Proportional to 202,306,865.13, 279,180,526.96 and 113,000,080.09
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Solution
The fourth proportional to 202,306,865.13, 279,180,526.96 and 113,000,080.09 is: 155,938,464.51
Step by Step Solution
- Step 1: Write the proportion equation
202,306,865.13 : 279,180,526.96 = 113,000,080.09 : x - Step 2: Convert to fraction form
202,306,865.13/279,180,526.96 = 113,000,080.09/x - Step 3: Cross multiply
202,306,865.13x = 279,180,526.96 × 113,000,080.09 - Step 4: Simplify right side
202,306,865.13x = 31,547,421,907,753,856 - Step 5: Solve for x
x = 31,547,421,907,753,856/202,306,865.13 - Step 6: Final answer
x = 155,938,464.51
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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.