Finding the Fourth Proportional to 229,878,909.24, 317,191,125.24 and 135,808,371.96
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Solution
The fourth proportional to 229,878,909.24, 317,191,125.24 and 135,808,371.96 is: 187,390,876.62
Step by Step Solution
- Step 1: Write the proportion equation
229,878,909.24 : 317,191,125.24 = 135,808,371.96 : x - Step 2: Convert to fraction form
229,878,909.24/317,191,125.24 = 135,808,371.96/x - Step 3: Cross multiply
229,878,909.24x = 317,191,125.24 × 135,808,371.96 - Step 4: Simplify right side
229,878,909.24x = 43,077,210,319,004,872 - Step 5: Solve for x
x = 43,077,210,319,004,872/229,878,909.24 - Step 6: Final answer
x = 187,390,876.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.