Finding the Fourth Proportional to 162,122,118.44, 243,146,709.63 and 74,599,681.59
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Solution
The fourth proportional to 162,122,118.44, 243,146,709.63 and 74,599,681.59 is: 111,882,741.81
Step by Step Solution
- Step 1: Write the proportion equation
162,122,118.44 : 243,146,709.63 = 74,599,681.59 : x - Step 2: Convert to fraction form
162,122,118.44/243,146,709.63 = 74,599,681.59/x - Step 3: Cross multiply
162,122,118.44x = 243,146,709.63 × 74,599,681.59 - Step 4: Simplify right side
162,122,118.44x = 18,138,667,118,054,188 - Step 5: Solve for x
x = 18,138,667,118,054,188/162,122,118.44 - Step 6: Final answer
x = 111,882,741.81
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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.