Finding the Fourth Proportional to 101,067,698.03, 139,473,840.98 and 54,657,950.99
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Solution
The fourth proportional to 101,067,698.03, 139,473,840.98 and 54,657,950.99 is: 75,428,198.26
Step by Step Solution
- Step 1: Write the proportion equation
101,067,698.03 : 139,473,840.98 = 54,657,950.99 : x - Step 2: Convert to fraction form
101,067,698.03/139,473,840.98 = 54,657,950.99/x - Step 3: Cross multiply
101,067,698.03x = 139,473,840.98 × 54,657,950.99 - Step 4: Simplify right side
101,067,698.03x = 7,623,354,364,671,893 - Step 5: Solve for x
x = 7,623,354,364,671,893/101,067,698.03 - Step 6: Final answer
x = 75,428,198.26
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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.