Finding the Fourth Proportional to 130,567,412.16, 195,844,030.74 and 39,683,915.28
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Solution
The fourth proportional to 130,567,412.16, 195,844,030.74 and 39,683,915.28 is: 59,523,718.79
Step by Step Solution
- Step 1: Write the proportion equation
130,567,412.16 : 195,844,030.74 = 39,683,915.28 : x - Step 2: Convert to fraction form
130,567,412.16/195,844,030.74 = 39,683,915.28/x - Step 3: Cross multiply
130,567,412.16x = 195,844,030.74 × 39,683,915.28 - Step 4: Simplify right side
130,567,412.16x = 7,771,857,923,979,876 - Step 5: Solve for x
x = 7,771,857,923,979,876/130,567,412.16 - Step 6: Final answer
x = 59,523,718.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.