Finding the Fourth Proportional to 66,904,137.09, 92,155,681.72 and 47,291,306.99
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Solution
The fourth proportional to 66,904,137.09, 92,155,681.72 and 47,291,306.99 is: 65,140,405.72
Step by Step Solution
- Step 1: Write the proportion equation
66,904,137.09 : 92,155,681.72 = 47,291,306.99 : x - Step 2: Convert to fraction form
66,904,137.09/92,155,681.72 = 47,291,306.99/x - Step 3: Cross multiply
66,904,137.09x = 92,155,681.72 × 47,291,306.99 - Step 4: Simplify right side
66,904,137.09x = 4,358,162,634,514,244.50 - Step 5: Solve for x
x = 4,358,162,634,514,244.50/66,904,137.09 - Step 6: Final answer
x = 65,140,405.72
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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.