Finding the Fourth Proportional to 199,432,981,114.99, 299,167,861,731.30 and 65,128,175,079.67
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Solution
The fourth proportional to 199,432,981,114.99, 299,167,861,731.30 and 65,128,175,079.67 is: 97,698,268,200.75
Step by Step Solution
- Step 1: Write the proportion equation
199,432,981,114.99 : 299,167,861,731.30 = 65,128,175,079.67 : x - Step 2: Convert to fraction form
199,432,981,114.99/299,167,861,731.30 = 65,128,175,079.67/x - Step 3: Cross multiply
199,432,981,114.99x = 299,167,861,731.30 × 65,128,175,079.67 - Step 4: Simplify right side
199,432,981,114.99x = 19,484,256,877,046,612,885,504 - Step 5: Solve for x
x = 19,484,256,877,046,612,885,504/199,432,981,114.99 - Step 6: Final answer
x = 97,698,268,200.75
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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.