Finding the Fourth Proportional to 101,232,353.98, 139,699,952.98 and 54,821,545.84
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Solution
The fourth proportional to 101,232,353.98, 139,699,952.98 and 54,821,545.84 is: 75,653,356.61
Step by Step Solution
- Step 1: Write the proportion equation
101,232,353.98 : 139,699,952.98 = 54,821,545.84 : x - Step 2: Convert to fraction form
101,232,353.98/139,699,952.98 = 54,821,545.84/x - Step 3: Cross multiply
101,232,353.98x = 139,699,952.98 × 54,821,545.84 - Step 4: Simplify right side
101,232,353.98x = 7,658,567,376,176,486 - Step 5: Solve for x
x = 7,658,567,376,176,486/101,232,353.98 - Step 6: Final answer
x = 75,653,356.61
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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.