Finding the Fourth Proportional to 106,996,877.20, 160,495,315.80 and 68,733,125.20
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Solution
The fourth proportional to 106,996,877.20, 160,495,315.80 and 68,733,125.20 is: 103,099,687.80
Step by Step Solution
- Step 1: Write the proportion equation
106,996,877.20 : 160,495,315.80 = 68,733,125.20 : x - Step 2: Convert to fraction form
106,996,877.20/160,495,315.80 = 68,733,125.20/x - Step 3: Cross multiply
106,996,877.20x = 160,495,315.80 × 68,733,125.20 - Step 4: Simplify right side
106,996,877.20x = 11,031,344,634,894,940 - Step 5: Solve for x
x = 11,031,344,634,894,940/106,996,877.20 - Step 6: Final answer
x = 103,099,687.80
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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.