Finding the Fourth Proportional to 134,330,645,811.49, 185,380,865,715.93 and 79,444,868,015.63
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Solution
The fourth proportional to 134,330,645,811.49, 185,380,865,715.93 and 79,444,868,015.63 is: 109,636,623,277.26
Step by Step Solution
- Step 1: Write the proportion equation
134,330,645,811.49 : 185,380,865,715.93 = 79,444,868,015.63 : x - Step 2: Convert to fraction form
134,330,645,811.49/185,380,865,715.93 = 79,444,868,015.63/x - Step 3: Cross multiply
134,330,645,811.49x = 185,380,865,715.93 × 79,444,868,015.63 - Step 4: Simplify right side
134,330,645,811.49x = 14,727,558,409,425,287,905,280 - Step 5: Solve for x
x = 14,727,558,409,425,287,905,280/134,330,645,811.49 - Step 6: Final answer
x = 109,636,623,277.26
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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.