Finding the Fourth Proportional to 127,650,871,207.65, 191,476,306,811.47 and 77,367,199,246.05
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Solution
The fourth proportional to 127,650,871,207.65, 191,476,306,811.47 and 77,367,199,246.05 is: 116,050,798,869.07
Step by Step Solution
- Step 1: Write the proportion equation
127,650,871,207.65 : 191,476,306,811.47 = 77,367,199,246.05 : x - Step 2: Convert to fraction form
127,650,871,207.65/191,476,306,811.47 = 77,367,199,246.05/x - Step 3: Cross multiply
127,650,871,207.65x = 191,476,306,811.47 × 77,367,199,246.05 - Step 4: Simplify right side
127,650,871,207.65x = 14,813,985,579,980,801,703,936 - Step 5: Solve for x
x = 14,813,985,579,980,801,703,936/127,650,871,207.65 - Step 6: Final answer
x = 116,050,798,869.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.