Finding the Fourth Proportional to 62,208,052.70, 93,312,079.05 and 53,138,126.30
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Solution
The fourth proportional to 62,208,052.70, 93,312,079.05 and 53,138,126.30 is: 79,707,189.45
Step by Step Solution
- Step 1: Write the proportion equation
62,208,052.70 : 93,312,079.05 = 53,138,126.30 : x - Step 2: Convert to fraction form
62,208,052.70/93,312,079.05 = 53,138,126.30/x - Step 3: Cross multiply
62,208,052.70x = 93,312,079.05 × 53,138,126.30 - Step 4: Simplify right side
62,208,052.70x = 4,958,429,041,874,484 - Step 5: Solve for x
x = 4,958,429,041,874,484/62,208,052.70 - Step 6: Final answer
x = 79,707,189.45
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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.