Finding the Fourth Proportional to 135,866,888.59, 187,491,380.79 and 83,031,989.08
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Solution
The fourth proportional to 135,866,888.59, 187,491,380.79 and 83,031,989.08 is: 114,581,134.84
Step by Step Solution
- Step 1: Write the proportion equation
135,866,888.59 : 187,491,380.79 = 83,031,989.08 : x - Step 2: Convert to fraction form
135,866,888.59/187,491,380.79 = 83,031,989.08/x - Step 3: Cross multiply
135,866,888.59x = 187,491,380.79 × 83,031,989.08 - Step 4: Simplify right side
135,866,888.59x = 15,567,782,282,349,400 - Step 5: Solve for x
x = 15,567,782,282,349,400/135,866,888.59 - Step 6: Final answer
x = 114,581,134.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.