Finding the Fourth Proportional to 124,234,614.16, 171,451,437.95 and 68,479,908.81
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Solution
The fourth proportional to 124,234,614.16, 171,451,437.95 and 68,479,908.81 is: 94,506,502.20
Step by Step Solution
- Step 1: Write the proportion equation
124,234,614.16 : 171,451,437.95 = 68,479,908.81 : x - Step 2: Convert to fraction form
124,234,614.16/171,451,437.95 = 68,479,908.81/x - Step 3: Cross multiply
124,234,614.16x = 171,451,437.95 × 68,479,908.81 - Step 4: Simplify right side
124,234,614.16x = 11,740,978,836,159,372 - Step 5: Solve for x
x = 11,740,978,836,159,372/124,234,614.16 - Step 6: Final answer
x = 94,506,502.20
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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.