Finding the Fourth Proportional to 92,779,786.10, 128,028,638.07 and 53,624,098.96
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Solution
The fourth proportional to 92,779,786.10, 128,028,638.07 and 53,624,098.96 is: 73,996,940.99
Step by Step Solution
- Step 1: Write the proportion equation
92,779,786.10 : 128,028,638.07 = 53,624,098.96 : x - Step 2: Convert to fraction form
92,779,786.10/128,028,638.07 = 53,624,098.96/x - Step 3: Cross multiply
92,779,786.10x = 128,028,638.07 × 53,624,098.96 - Step 4: Simplify right side
92,779,786.10x = 6,865,420,357,259,632 - Step 5: Solve for x
x = 6,865,420,357,259,632/92,779,786.10 - Step 6: Final answer
x = 73,996,940.99
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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.