Finding the Fourth Proportional to 65,712,917.70, 98,569,376.55 and 29,321,237.70
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Solution
The fourth proportional to 65,712,917.70, 98,569,376.55 and 29,321,237.70 is: 43,981,856.55
Step by Step Solution
- Step 1: Write the proportion equation
65,712,917.70 : 98,569,376.55 = 29,321,237.70 : x - Step 2: Convert to fraction form
65,712,917.70/98,569,376.55 = 29,321,237.70/x - Step 3: Cross multiply
65,712,917.70x = 98,569,376.55 × 29,321,237.70 - Step 4: Simplify right side
65,712,917.70x = 2,890,176,119,763,356 - Step 5: Solve for x
x = 2,890,176,119,763,356/65,712,917.70 - Step 6: Final answer
x = 43,981,856.55
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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.