Finding the Fourth Proportional to 133,683,019.84, 184,543,015.80 and 84,196,121.68
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Solution
The fourth proportional to 133,683,019.84, 184,543,015.80 and 84,196,121.68 is: 116,228,719.49
Step by Step Solution
- Step 1: Write the proportion equation
133,683,019.84 : 184,543,015.80 = 84,196,121.68 : x - Step 2: Convert to fraction form
133,683,019.84/184,543,015.80 = 84,196,121.68/x - Step 3: Cross multiply
133,683,019.84x = 184,543,015.80 × 84,196,121.68 - Step 4: Simplify right side
133,683,019.84x = 15,537,806,213,490,964 - Step 5: Solve for x
x = 15,537,806,213,490,964/133,683,019.84 - Step 6: Final answer
x = 116,228,719.49
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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.