Finding the Fourth Proportional to 207,339,506.96, 310,888,937.10 and 98,163,756.14
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Solution
The fourth proportional to 207,339,506.96, 310,888,937.10 and 98,163,756.14 is: 147,188,667.78
Step by Step Solution
- Step 1: Write the proportion equation
207,339,506.96 : 310,888,937.10 = 98,163,756.14 : x - Step 2: Convert to fraction form
207,339,506.96/310,888,937.10 = 98,163,756.14/x - Step 3: Cross multiply
207,339,506.96x = 310,888,937.10 × 98,163,756.14 - Step 4: Simplify right side
207,339,506.96x = 30,518,025,808,108,200 - Step 5: Solve for x
x = 30,518,025,808,108,200/207,339,506.96 - Step 6: Final answer
x = 147,188,667.78
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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.