Finding the Fourth Proportional to 185,563,525.67, 256,078,261.64 and 103,057,307.99
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Solution
The fourth proportional to 185,563,525.67, 256,078,261.64 and 103,057,307.99 is: 142,219,416.15
Step by Step Solution
- Step 1: Write the proportion equation
185,563,525.67 : 256,078,261.64 = 103,057,307.99 : x - Step 2: Convert to fraction form
185,563,525.67/256,078,261.64 = 103,057,307.99/x - Step 3: Cross multiply
185,563,525.67x = 256,078,261.64 × 103,057,307.99 - Step 4: Simplify right side
185,563,525.67x = 26,390,736,278,354,536 - Step 5: Solve for x
x = 26,390,736,278,354,536/185,563,525.67 - Step 6: Final answer
x = 142,219,416.15
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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.