Finding the Fourth Proportional to 276,299,998.53, 381,466,075.95 and 175,885,093.26
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Solution
The fourth proportional to 276,299,998.53, 381,466,075.95 and 175,885,093.26 is: 242,830,968.88
Step by Step Solution
- Step 1: Write the proportion equation
276,299,998.53 : 381,466,075.95 = 175,885,093.26 : x - Step 2: Convert to fraction form
276,299,998.53/381,466,075.95 = 175,885,093.26/x - Step 3: Cross multiply
276,299,998.53x = 381,466,075.95 × 175,885,093.26 - Step 4: Simplify right side
276,299,998.53x = 67,094,196,343,991,984 - Step 5: Solve for x
x = 67,094,196,343,991,984/276,299,998.53 - Step 6: Final answer
x = 242,830,968.88
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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.