Finding the Fourth Proportional to 97,121,808.40, 145,421,658.06 and 73,982,514.50
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Solution
The fourth proportional to 97,121,808.40, 145,421,658.06 and 73,982,514.50 is: 110,774,913.52
Step by Step Solution
- Step 1: Write the proportion equation
97,121,808.40 : 145,421,658.06 = 73,982,514.50 : x - Step 2: Convert to fraction form
97,121,808.40/145,421,658.06 = 73,982,514.50/x - Step 3: Cross multiply
97,121,808.40x = 145,421,658.06 × 73,982,514.50 - Step 4: Simplify right side
97,121,808.40x = 10,758,659,926,037,992 - Step 5: Solve for x
x = 10,758,659,926,037,992/97,121,808.40 - Step 6: Final answer
x = 110,774,913.52
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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.