Finding the Fourth Proportional to 133,683,018.84, 184,543,014.42 and 84,196,120.68
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Solution
The fourth proportional to 133,683,018.84, 184,543,014.42 and 84,196,120.68 is: 116,228,718.11
Step by Step Solution
- Step 1: Write the proportion equation
133,683,018.84 : 184,543,014.42 = 84,196,120.68 : x - Step 2: Convert to fraction form
133,683,018.84/184,543,014.42 = 84,196,120.68/x - Step 3: Cross multiply
133,683,018.84x = 184,543,014.42 × 84,196,120.68 - Step 4: Simplify right side
133,683,018.84x = 15,537,805,912,757,300 - Step 5: Solve for x
x = 15,537,805,912,757,300/133,683,018.84 - Step 6: Final answer
x = 116,228,718.11
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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.