Finding the Fourth Proportional to 86,953,470.98, 130,430,122.56 and 22,257,172.85
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Solution
The fourth proportional to 86,953,470.98, 130,430,122.56 and 22,257,172.85 is: 33,385,737.79
Step by Step Solution
- Step 1: Write the proportion equation
86,953,470.98 : 130,430,122.56 = 22,257,172.85 : x - Step 2: Convert to fraction form
86,953,470.98/130,430,122.56 = 22,257,172.85/x - Step 3: Cross multiply
86,953,470.98x = 130,430,122.56 × 22,257,172.85 - Step 4: Simplify right side
86,953,470.98x = 2,903,005,782,012,454 - Step 5: Solve for x
x = 2,903,005,782,012,454/86,953,470.98 - Step 6: Final answer
x = 33,385,737.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.