Finding the Fourth Proportional to 124,756,818.80, 187,107,234.60 and 81,926,610.80
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Solution
The fourth proportional to 124,756,818.80, 187,107,234.60 and 81,926,610.80 is: 122,871,533.07
Step by Step Solution
- Step 1: Write the proportion equation
124,756,818.80 : 187,107,234.60 = 81,926,610.80 : x - Step 2: Convert to fraction form
124,756,818.80/187,107,234.60 = 81,926,610.80/x - Step 3: Cross multiply
124,756,818.80x = 187,107,234.60 × 81,926,610.80 - Step 4: Simplify right side
124,756,818.80x = 15,329,061,586,938,492 - Step 5: Solve for x
x = 15,329,061,586,938,492/124,756,818.80 - Step 6: Final answer
x = 122,871,533.07
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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.