Finding the Fourth Proportional to 77,064,855.63, 115,516,364.09 and 25,929,121.47
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Solution
The fourth proportional to 77,064,855.63, 115,516,364.09 and 25,929,121.47 is: 38,866,456.20
Step by Step Solution
- Step 1: Write the proportion equation
77,064,855.63 : 115,516,364.09 = 25,929,121.47 : x - Step 2: Convert to fraction form
77,064,855.63/115,516,364.09 = 25,929,121.47/x - Step 3: Cross multiply
77,064,855.63x = 115,516,364.09 × 25,929,121.47 - Step 4: Simplify right side
77,064,855.63x = 2,995,237,836,132,710 - Step 5: Solve for x
x = 2,995,237,836,132,710/77,064,855.63 - Step 6: Final answer
x = 38,866,456.20
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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.