Finding the Fourth Proportional to 309,019,090.50, 463,528,801.90 and 114,905,282.99
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Solution
The fourth proportional to 309,019,090.50, 463,528,801.90 and 114,905,282.99 is: 172,357,986.27
Step by Step Solution
- Step 1: Write the proportion equation
309,019,090.50 : 463,528,801.90 = 114,905,282.99 : x - Step 2: Convert to fraction form
309,019,090.50/463,528,801.90 = 114,905,282.99/x - Step 3: Cross multiply
309,019,090.50x = 463,528,801.90 × 114,905,282.99 - Step 4: Simplify right side
309,019,090.50x = 53,261,908,156,770,808 - Step 5: Solve for x
x = 53,261,908,156,770,808/309,019,090.50 - Step 6: Final answer
x = 172,357,986.27
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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.