Finding the Fourth Proportional to 134,330,645,804.99, 185,380,865,706.95 and 79,444,868,009.15
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Solution
The fourth proportional to 134,330,645,804.99, 185,380,865,706.95 and 79,444,868,009.15 is: 109,636,623,268.31
Step by Step Solution
- Step 1: Write the proportion equation
134,330,645,804.99 : 185,380,865,706.95 = 79,444,868,009.15 : x - Step 2: Convert to fraction form
134,330,645,804.99/185,380,865,706.95 = 79,444,868,009.15/x - Step 3: Cross multiply
134,330,645,804.99x = 185,380,865,706.95 × 79,444,868,009.15 - Step 4: Simplify right side
134,330,645,804.99x = 14,727,558,407,510,233,710,592 - Step 5: Solve for x
x = 14,727,558,407,510,233,710,592/134,330,645,804.99 - Step 6: Final answer
x = 109,636,623,268.31
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1.5x scale
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.