Finding the Fourth Proportional to 156,830,838.20, 235,246,257.30 and 99,576,927.80
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Solution
The fourth proportional to 156,830,838.20, 235,246,257.30 and 99,576,927.80 is: 149,365,391.70
Step by Step Solution
- Step 1: Write the proportion equation
156,830,838.20 : 235,246,257.30 = 99,576,927.80 : x - Step 2: Convert to fraction form
156,830,838.20/235,246,257.30 = 99,576,927.80/x - Step 3: Cross multiply
156,830,838.20x = 235,246,257.30 × 99,576,927.80 - Step 4: Simplify right side
156,830,838.20x = 23,425,099,578,382,324 - Step 5: Solve for x
x = 23,425,099,578,382,324/156,830,838.20 - Step 6: Final answer
x = 149,365,391.70
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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.