Finding the Fourth Proportional to 77,432,365.99, 116,149,780.65 and 43,106,941.83
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Solution
The fourth proportional to 77,432,365.99, 116,149,780.65 and 43,106,941.83 is: 64,661,098.42
Step by Step Solution
- Step 1: Write the proportion equation
77,432,365.99 : 116,149,780.65 = 43,106,941.83 : x - Step 2: Convert to fraction form
77,432,365.99/116,149,780.65 = 43,106,941.83/x - Step 3: Cross multiply
77,432,365.99x = 116,149,780.65 × 43,106,941.83 - Step 4: Simplify right side
77,432,365.99x = 5,006,861,837,850,829 - Step 5: Solve for x
x = 5,006,861,837,850,829/77,432,365.99 - Step 6: Final answer
x = 64,661,098.42
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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.