Finding the Fourth Proportional to 92,363,779.36, 138,450,009.52 and 76,017,982.87
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Solution
The fourth proportional to 92,363,779.36, 138,450,009.52 and 76,017,982.87 is: 113,948,243.84
Step by Step Solution
- Step 1: Write the proportion equation
92,363,779.36 : 138,450,009.52 = 76,017,982.87 : x - Step 2: Convert to fraction form
92,363,779.36/138,450,009.52 = 76,017,982.87/x - Step 3: Cross multiply
92,363,779.36x = 138,450,009.52 × 76,017,982.87 - Step 4: Simplify right side
92,363,779.36x = 10,524,690,452,042,698 - Step 5: Solve for x
x = 10,524,690,452,042,698/92,363,779.36 - Step 6: Final answer
x = 113,948,243.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.