Finding the Fourth Proportional to 212,316,476.95, 318,493,106.73 and 64,797,225.08
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Solution
The fourth proportional to 212,316,476.95, 318,493,106.73 and 64,797,225.08 is: 97,201,450.49
Step by Step Solution
- Step 1: Write the proportion equation
212,316,476.95 : 318,493,106.73 = 64,797,225.08 : x - Step 2: Convert to fraction form
212,316,476.95/318,493,106.73 = 64,797,225.08/x - Step 3: Cross multiply
212,316,476.95x = 318,493,106.73 × 64,797,225.08 - Step 4: Simplify right side
212,316,476.95x = 20,637,469,521,619,808 - Step 5: Solve for x
x = 20,637,469,521,619,808/212,316,476.95 - Step 6: Final answer
x = 97,201,450.49
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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.