Finding the Fourth Proportional to 186,509,774.02, 257,387,607.04 and 102,880,445.98
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Solution
The fourth proportional to 186,509,774.02, 257,387,607.04 and 102,880,445.98 is: 141,977,287.47
Step by Step Solution
- Step 1: Write the proportion equation
186,509,774.02 : 257,387,607.04 = 102,880,445.98 : x - Step 2: Convert to fraction form
186,509,774.02/257,387,607.04 = 102,880,445.98/x - Step 3: Cross multiply
186,509,774.02x = 257,387,607.04 × 102,880,445.98 - Step 4: Simplify right side
186,509,774.02x = 26,480,151,802,000,188 - Step 5: Solve for x
x = 26,480,151,802,000,188/186,509,774.02 - Step 6: Final answer
x = 141,977,287.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.