Finding the Fourth Proportional to 307,365,479.52, 424,167,727.11 and 168,136,242.66
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Solution
The fourth proportional to 307,365,479.52, 424,167,727.11 and 168,136,242.66 is: 232,029,855.80
Step by Step Solution
- Step 1: Write the proportion equation
307,365,479.52 : 424,167,727.11 = 168,136,242.66 : x - Step 2: Convert to fraction form
307,365,479.52/424,167,727.11 = 168,136,242.66/x - Step 3: Cross multiply
307,365,479.52x = 424,167,727.11 × 168,136,242.66 - Step 4: Simplify right side
307,365,479.52x = 71,317,967,890,946,104 - Step 5: Solve for x
x = 71,317,967,890,946,104/307,365,479.52 - Step 6: Final answer
x = 232,029,855.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.