Finding the Fourth Proportional to 99,368,745.84, 149,044,555.44 and 60,497,132.58
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Solution
The fourth proportional to 99,368,745.84, 149,044,555.44 and 60,497,132.58 is: 90,740,485.40
Step by Step Solution
- Step 1: Write the proportion equation
99,368,745.84 : 149,044,555.44 = 60,497,132.58 : x - Step 2: Convert to fraction form
99,368,745.84/149,044,555.44 = 60,497,132.58/x - Step 3: Cross multiply
99,368,745.84x = 149,044,555.44 × 60,497,132.58 - Step 4: Simplify right side
99,368,745.84x = 9,016,768,230,780,840 - Step 5: Solve for x
x = 9,016,768,230,780,840/99,368,745.84 - Step 6: Final answer
x = 90,740,485.40
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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.