Finding the Fourth Proportional to 106,704,329.13, 147,206,884.16 and 71,433,497.95
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Solution
The fourth proportional to 106,704,329.13, 147,206,884.16 and 71,433,497.95 is: 98,548,041.52
Step by Step Solution
- Step 1: Write the proportion equation
106,704,329.13 : 147,206,884.16 = 71,433,497.95 : x - Step 2: Convert to fraction form
106,704,329.13/147,206,884.16 = 71,433,497.95/x - Step 3: Cross multiply
106,704,329.13x = 147,206,884.16 × 71,433,497.95 - Step 4: Simplify right side
106,704,329.13x = 10,515,502,657,679,814 - Step 5: Solve for x
x = 10,515,502,657,679,814/106,704,329.13 - Step 6: Final answer
x = 98,548,041.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.