Finding the Fourth Proportional to 159,367,073.30, 239,050,609.95 and 145,762,183.70
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Solution
The fourth proportional to 159,367,073.30, 239,050,609.95 and 145,762,183.70 is: 218,643,275.55
Step by Step Solution
- Step 1: Write the proportion equation
159,367,073.30 : 239,050,609.95 = 145,762,183.70 : x - Step 2: Convert to fraction form
159,367,073.30/239,050,609.95 = 145,762,183.70/x - Step 3: Cross multiply
159,367,073.30x = 239,050,609.95 × 145,762,183.70 - Step 4: Simplify right side
159,367,073.30x = 34,844,538,921,128,944 - Step 5: Solve for x
x = 34,844,538,921,128,944/159,367,073.30 - Step 6: Final answer
x = 218,643,275.55
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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.