Finding the Fourth Proportional to 210,470,622.99, 315,700,620.05 and 57,112,693.62
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Solution
The fourth proportional to 210,470,622.99, 315,700,620.05 and 57,112,693.62 is: 85,667,598.32
Step by Step Solution
- Step 1: Write the proportion equation
210,470,622.99 : 315,700,620.05 = 57,112,693.62 : x - Step 2: Convert to fraction form
210,470,622.99/315,700,620.05 = 57,112,693.62/x - Step 3: Cross multiply
210,470,622.99x = 315,700,620.05 × 57,112,693.62 - Step 4: Simplify right side
210,470,622.99x = 18,030,512,787,518,584 - Step 5: Solve for x
x = 18,030,512,787,518,584/210,470,622.99 - Step 6: Final answer
x = 85,667,598.32
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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.