Finding the Fourth Proportional to 97,697,846.61, 146,547,275.36 and 57,279,987.09
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Solution
The fourth proportional to 97,697,846.61, 146,547,275.36 and 57,279,987.09 is: 85,920,276.97
Step by Step Solution
- Step 1: Write the proportion equation
97,697,846.61 : 146,547,275.36 = 57,279,987.09 : x - Step 2: Convert to fraction form
97,697,846.61/146,547,275.36 = 57,279,987.09/x - Step 3: Cross multiply
97,697,846.61x = 146,547,275.36 × 57,279,987.09 - Step 4: Simplify right side
97,697,846.61x = 8,394,226,040,409,075 - Step 5: Solve for x
x = 8,394,226,040,409,075/97,697,846.61 - Step 6: Final answer
x = 85,920,276.97
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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.