Finding the Fourth Proportional to 101,187,423.75, 139,639,097.68 and 54,777,677.52
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Solution
The fourth proportional to 101,187,423.75, 139,639,097.68 and 54,777,677.52 is: 75,593,440.16
Step by Step Solution
- Step 1: Write the proportion equation
101,187,423.75 : 139,639,097.68 = 54,777,677.52 : x - Step 2: Convert to fraction form
101,187,423.75/139,639,097.68 = 54,777,677.52/x - Step 3: Cross multiply
101,187,423.75x = 139,639,097.68 × 54,777,677.52 - Step 4: Simplify right side
101,187,423.75x = 7,649,105,462,285,523 - Step 5: Solve for x
x = 7,649,105,462,285,523/101,187,423.75 - Step 6: Final answer
x = 75,593,440.16
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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.