Finding the Fourth Proportional to 75,710,842.28, 104,480,965.41 and 40,903,532.61
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Solution
The fourth proportional to 75,710,842.28, 104,480,965.41 and 40,903,532.61 is: 56,446,876.65
Step by Step Solution
- Step 1: Write the proportion equation
75,710,842.28 : 104,480,965.41 = 40,903,532.61 : x - Step 2: Convert to fraction form
75,710,842.28/104,480,965.41 = 40,903,532.61/x - Step 3: Cross multiply
75,710,842.28x = 104,480,965.41 × 40,903,532.61 - Step 4: Simplify right side
75,710,842.28x = 4,273,640,575,652,805 - Step 5: Solve for x
x = 4,273,640,575,652,805/75,710,842.28 - Step 6: Final answer
x = 56,446,876.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.