Finding the Fourth Proportional to 138,964,829.75, 208,447,251.11 and 95,202,434.87
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Solution
The fourth proportional to 138,964,829.75, 208,447,251.11 and 95,202,434.87 is: 142,803,656.75
Step by Step Solution
- Step 1: Write the proportion equation
138,964,829.75 : 208,447,251.11 = 95,202,434.87 : x - Step 2: Convert to fraction form
138,964,829.75/208,447,251.11 = 95,202,434.87/x - Step 3: Cross multiply
138,964,829.75x = 208,447,251.11 × 95,202,434.87 - Step 4: Simplify right side
138,964,829.75x = 19,844,685,847,630,312 - Step 5: Solve for x
x = 19,844,685,847,630,312/138,964,829.75 - Step 6: Final answer
x = 142,803,656.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.