Finding the Fourth Proportional to 130,129,609.12, 195,226,720.51 and 64,581,510.10
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Solution
The fourth proportional to 130,129,609.12, 195,226,720.51 and 64,581,510.10 is: 96,888,298.58
Step by Step Solution
- Step 1: Write the proportion equation
130,129,609.12 : 195,226,720.51 = 64,581,510.10 : x - Step 2: Convert to fraction form
130,129,609.12/195,226,720.51 = 64,581,510.10/x - Step 3: Cross multiply
130,129,609.12x = 195,226,720.51 × 64,581,510.10 - Step 4: Simplify right side
130,129,609.12x = 12,608,036,422,406,442 - Step 5: Solve for x
x = 12,608,036,422,406,442/130,129,609.12 - Step 6: Final answer
x = 96,888,298.58
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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.