Finding the Fourth Proportional to 75,316,475.70, 112,974,713.55 and 75,316,475.70
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Solution
The fourth proportional to 75,316,475.70, 112,974,713.55 and 75,316,475.70 is: 112,974,713.55
Step by Step Solution
- Step 1: Write the proportion equation
75,316,475.70 : 112,974,713.55 = 75,316,475.70 : x - Step 2: Convert to fraction form
75,316,475.70/112,974,713.55 = 75,316,475.70/x - Step 3: Cross multiply
75,316,475.70x = 112,974,713.55 × 75,316,475.70 - Step 4: Simplify right side
75,316,475.70x = 8,508,857,267,803,036 - Step 5: Solve for x
x = 8,508,857,267,803,036/75,316,475.70 - Step 6: Final answer
x = 112,974,713.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.