Finding the Fourth Proportional to 128,125,508.70, 192,169,600.65 and 37,239,620.70
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Solution
The fourth proportional to 128,125,508.70, 192,169,600.65 and 37,239,620.70 is: 55,854,006.83
Step by Step Solution
- Step 1: Write the proportion equation
128,125,508.70 : 192,169,600.65 = 37,239,620.70 : x - Step 2: Convert to fraction form
128,125,508.70/192,169,600.65 = 37,239,620.70/x - Step 3: Cross multiply
128,125,508.70x = 192,169,600.65 × 37,239,620.70 - Step 4: Simplify right side
128,125,508.70x = 7,156,323,038,276,474 - Step 5: Solve for x
x = 7,156,323,038,276,474/128,125,508.70 - Step 6: Final answer
x = 55,854,006.83
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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.