Finding the Fourth Proportional to 128,011,782.56, 176,656,253.92 and 69,274,441
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Solution
The fourth proportional to 128,011,782.56, 176,656,253.92 and 69,274,441 is: 95,598,725.33
Step by Step Solution
- Step 1: Write the proportion equation
128,011,782.56 : 176,656,253.92 = 69,274,441 : x - Step 2: Convert to fraction form
128,011,782.56/176,656,253.92 = 69,274,441/x - Step 3: Cross multiply
128,011,782.56x = 176,656,253.92 × 69,274,441 - Step 4: Simplify right side
128,011,782.56x = 12,237,763,239,462,058 - Step 5: Solve for x
x = 12,237,763,239,462,058/128,011,782.56 - Step 6: Final answer
x = 95,598,725.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.