Finding the Fourth Proportional to 79,837,337.80, 119,756,006.70 and 54,328,169.80
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Solution
The fourth proportional to 79,837,337.80, 119,756,006.70 and 54,328,169.80 is: 81,492,254.70
Step by Step Solution
- Step 1: Write the proportion equation
79,837,337.80 : 119,756,006.70 = 54,328,169.80 : x - Step 2: Convert to fraction form
79,837,337.80/119,756,006.70 = 54,328,169.80/x - Step 3: Cross multiply
79,837,337.80x = 119,756,006.70 × 54,328,169.80 - Step 4: Simplify right side
79,837,337.80x = 6,506,124,666,567,537 - Step 5: Solve for x
x = 6,506,124,666,567,537/79,837,337.80 - Step 6: Final answer
x = 81,492,254.70
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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.