Finding the Fourth Proportional to 107,620,368.64, 148,519,246.08 and 58,730,945.92
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Solution
The fourth proportional to 107,620,368.64, 148,519,246.08 and 58,730,945.92 is: 81,050,417.50
Step by Step Solution
- Step 1: Write the proportion equation
107,620,368.64 : 148,519,246.08 = 58,730,945.92 : x - Step 2: Convert to fraction form
107,620,368.64/148,519,246.08 = 58,730,945.92/x - Step 3: Cross multiply
107,620,368.64x = 148,519,246.08 × 58,730,945.92 - Step 4: Simplify right side
107,620,368.64x = 8,722,675,809,603,653 - Step 5: Solve for x
x = 8,722,675,809,603,653/107,620,368.64 - Step 6: Final answer
x = 81,050,417.50
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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.