Finding the Fourth Proportional to 83,288,319.20, 124,766,590.80 and 73,312,920.80
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Solution
The fourth proportional to 83,288,319.20, 124,766,590.80 and 73,312,920.80 is: 109,823,361.52
Step by Step Solution
- Step 1: Write the proportion equation
83,288,319.20 : 124,766,590.80 = 73,312,920.80 : x - Step 2: Convert to fraction form
83,288,319.20/124,766,590.80 = 73,312,920.80/x - Step 3: Cross multiply
83,288,319.20x = 124,766,590.80 × 73,312,920.80 - Step 4: Simplify right side
83,288,319.20x = 9,147,003,189,806,408 - Step 5: Solve for x
x = 9,147,003,189,806,408/83,288,319.20 - Step 6: Final answer
x = 109,823,361.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.