Finding the Fourth Proportional to 134,499,548.70, 185,603,642.46 and 74,957,676.53
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Solution
The fourth proportional to 134,499,548.70, 185,603,642.46 and 74,957,676.53 is: 103,438,397.58
Step by Step Solution
- Step 1: Write the proportion equation
134,499,548.70 : 185,603,642.46 = 74,957,676.53 : x - Step 2: Convert to fraction form
134,499,548.70/185,603,642.46 = 74,957,676.53/x - Step 3: Cross multiply
134,499,548.70x = 185,603,642.46 × 74,957,676.53 - Step 4: Simplify right side
134,499,548.70x = 13,912,417,793,378,436 - Step 5: Solve for x
x = 13,912,417,793,378,436/134,499,548.70 - Step 6: Final answer
x = 103,438,397.58
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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.