Finding the Fourth Proportional to 98,373,138.49, 135,766,900.26 and 57,120,029.65
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Solution
The fourth proportional to 98,373,138.49, 135,766,900.26 and 57,120,029.65 is: 78,832,590.75
Step by Step Solution
- Step 1: Write the proportion equation
98,373,138.49 : 135,766,900.26 = 57,120,029.65 : x - Step 2: Convert to fraction form
98,373,138.49/135,766,900.26 = 57,120,029.65/x - Step 3: Cross multiply
98,373,138.49x = 135,766,900.26 × 57,120,029.65 - Step 4: Simplify right side
98,373,138.49x = 7,755,009,367,375,358 - Step 5: Solve for x
x = 7,755,009,367,375,358/98,373,138.49 - Step 6: Final answer
x = 78,832,590.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.