Finding the Fourth Proportional to 242,052,557.07, 362,803,621.19 and 212,849,166.99
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Solution
The fourth proportional to 242,052,557.07, 362,803,621.19 and 212,849,166.99 is: 319,031,740.40
Step by Step Solution
- Step 1: Write the proportion equation
242,052,557.07 : 362,803,621.19 = 212,849,166.99 : x - Step 2: Convert to fraction form
242,052,557.07/362,803,621.19 = 212,849,166.99/x - Step 3: Cross multiply
242,052,557.07x = 362,803,621.19 × 212,849,166.99 - Step 4: Simplify right side
242,052,557.07x = 77,222,448,550,182,768 - Step 5: Solve for x
x = 77,222,448,550,182,768/242,052,557.07 - Step 6: Final answer
x = 319,031,740.40
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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.