Finding the Fourth Proportional to 83,415,576.60, 124,960,472.28 and 39,634,030.08
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Solution
The fourth proportional to 83,415,576.60, 124,960,472.28 and 39,634,030.08 is: 59,373,648.41
Step by Step Solution
- Step 1: Write the proportion equation
83,415,576.60 : 124,960,472.28 = 39,634,030.08 : x - Step 2: Convert to fraction form
83,415,576.60/124,960,472.28 = 39,634,030.08/x - Step 3: Cross multiply
83,415,576.60x = 124,960,472.28 × 39,634,030.08 - Step 4: Simplify right side
83,415,576.60x = 4,952,687,117,156,526 - Step 5: Solve for x
x = 4,952,687,117,156,526/83,415,576.60 - Step 6: Final answer
x = 59,373,648.41
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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.