Finding the Fourth Proportional to 139,724,491.74, 192,815,276.76 and 80,195,586.18
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Solution
The fourth proportional to 139,724,491.74, 192,815,276.76 and 80,195,586.18 is: 110,667,313.59
Step by Step Solution
- Step 1: Write the proportion equation
139,724,491.74 : 192,815,276.76 = 80,195,586.18 : x - Step 2: Convert to fraction form
139,724,491.74/192,815,276.76 = 80,195,586.18/x - Step 3: Cross multiply
139,724,491.74x = 192,815,276.76 × 80,195,586.18 - Step 4: Simplify right side
139,724,491.74x = 15,462,934,144,227,132 - Step 5: Solve for x
x = 15,462,934,144,227,132/139,724,491.74 - Step 6: Final answer
x = 110,667,313.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.