Finding the Fourth Proportional to 276,101,617.68, 381,028,205.16 and 152,350,266.24
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Solution
The fourth proportional to 276,101,617.68, 381,028,205.16 and 152,350,266.24 is: 210,247,766.71
Step by Step Solution
- Step 1: Write the proportion equation
276,101,617.68 : 381,028,205.16 = 152,350,266.24 : x - Step 2: Convert to fraction form
276,101,617.68/381,028,205.16 = 152,350,266.24/x - Step 3: Cross multiply
276,101,617.68x = 381,028,205.16 × 152,350,266.24 - Step 4: Simplify right side
276,101,617.68x = 58,049,748,501,075,352 - Step 5: Solve for x
x = 58,049,748,501,075,352/276,101,617.68 - Step 6: Final answer
x = 210,247,766.71
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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.