Finding the Fourth Proportional to 127,704,280,901.99, 176,148,869,352.58 and 81,906,014,757.30
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Solution
The fourth proportional to 127,704,280,901.99, 176,148,869,352.58 and 81,906,014,757.30 is: 112,977,041,887.48
Step by Step Solution
- Step 1: Write the proportion equation
127,704,280,901.99 : 176,148,869,352.58 = 81,906,014,757.30 : x - Step 2: Convert to fraction form
127,704,280,901.99/176,148,869,352.58 = 81,906,014,757.30/x - Step 3: Cross multiply
127,704,280,901.99x = 176,148,869,352.58 × 81,906,014,757.30 - Step 4: Simplify right side
127,704,280,901.99x = 14,427,651,892,674,302,050,304 - Step 5: Solve for x
x = 14,427,651,892,674,302,050,304/127,704,280,901.99 - Step 6: Final answer
x = 112,977,041,887.48
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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.