Finding the Fourth Proportional to 149,606,125.20, 206,440,718.04 and 86,869,959.84
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Solution
The fourth proportional to 149,606,125.20, 206,440,718.04 and 86,869,959.84 is: 119,871,408.08
Step by Step Solution
- Step 1: Write the proportion equation
149,606,125.20 : 206,440,718.04 = 86,869,959.84 : x - Step 2: Convert to fraction form
149,606,125.20/206,440,718.04 = 86,869,959.84/x - Step 3: Cross multiply
149,606,125.20x = 206,440,718.04 × 86,869,959.84 - Step 4: Simplify right side
149,606,125.20x = 17,933,496,885,475,564 - Step 5: Solve for x
x = 17,933,496,885,475,564/149,606,125.20 - Step 6: Final answer
x = 119,871,408.08
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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.