Finding the Fourth Proportional to 117,626,491.80, 176,439,737.70 and 40,924,027.80
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Solution
The fourth proportional to 117,626,491.80, 176,439,737.70 and 40,924,027.80 is: 61,386,041.70
Step by Step Solution
- Step 1: Write the proportion equation
117,626,491.80 : 176,439,737.70 = 40,924,027.80 : x - Step 2: Convert to fraction form
117,626,491.80/176,439,737.70 = 40,924,027.80/x - Step 3: Cross multiply
117,626,491.80x = 176,439,737.70 × 40,924,027.80 - Step 4: Simplify right side
117,626,491.80x = 7,220,624,730,659,507 - Step 5: Solve for x
x = 7,220,624,730,659,507/117,626,491.80 - Step 6: Final answer
x = 61,386,041.70
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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.