Finding the Fourth Proportional to 84,269,142, 116,291,416.08 and 45,637,974
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Solution
The fourth proportional to 84,269,142, 116,291,416.08 and 45,637,974 is: 62,980,404.18
Step by Step Solution
- Step 1: Write the proportion equation
84,269,142 : 116,291,416.08 = 45,637,974 : x - Step 2: Convert to fraction form
84,269,142/116,291,416.08 = 45,637,974/x - Step 3: Cross multiply
84,269,142x = 116,291,416.08 × 45,637,974 - Step 4: Simplify right side
84,269,142x = 5,307,304,623,482,222 - Step 5: Solve for x
x = 5,307,304,623,482,222/84,269,142 - Step 6: Final answer
x = 62,980,404.18
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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.