Finding the Fourth Proportional to 210,316,565.80, 315,474,848.70 and 124,096,277.80
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Solution
The fourth proportional to 210,316,565.80, 315,474,848.70 and 124,096,277.80 is: 186,144,416.70
Step by Step Solution
- Step 1: Write the proportion equation
210,316,565.80 : 315,474,848.70 = 124,096,277.80 : x - Step 2: Convert to fraction form
210,316,565.80/315,474,848.70 = 124,096,277.80/x - Step 3: Cross multiply
210,316,565.80x = 315,474,848.70 × 124,096,277.80 - Step 4: Simplify right side
210,316,565.80x = 39,149,254,463,188,168 - Step 5: Solve for x
x = 39,149,254,463,188,168/210,316,565.80 - Step 6: Final answer
x = 186,144,416.70
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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.