Finding the Fourth Proportional to 134,330,645,807.99, 185,380,865,711.09 and 79,444,868,012.15
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Solution
The fourth proportional to 134,330,645,807.99, 185,380,865,711.09 and 79,444,868,012.15 is: 109,636,623,272.45
Step by Step Solution
- Step 1: Write the proportion equation
134,330,645,807.99 : 185,380,865,711.09 = 79,444,868,012.15 : x - Step 2: Convert to fraction form
134,330,645,807.99/185,380,865,711.09 = 79,444,868,012.15/x - Step 3: Cross multiply
134,330,645,807.99x = 185,380,865,711.09 × 79,444,868,012.15 - Step 4: Simplify right side
134,330,645,807.99x = 14,727,558,408,395,647,090,688 - Step 5: Solve for x
x = 14,727,558,408,395,647,090,688/134,330,645,807.99 - Step 6: Final answer
x = 109,636,623,272.45
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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.