Finding the Fourth Proportional to 219,411,148.94, 302,818,232.82 and 135,806,097.42
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Solution
The fourth proportional to 219,411,148.94, 302,818,232.82 and 135,806,097.42 is: 187,431,507.59
Step by Step Solution
- Step 1: Write the proportion equation
219,411,148.94 : 302,818,232.82 = 135,806,097.42 : x - Step 2: Convert to fraction form
219,411,148.94/302,818,232.82 = 135,806,097.42/x - Step 3: Cross multiply
219,411,148.94x = 302,818,232.82 × 135,806,097.42 - Step 4: Simplify right side
219,411,148.94x = 41,124,562,426,905,160 - Step 5: Solve for x
x = 41,124,562,426,905,160/219,411,148.94 - Step 6: Final answer
x = 187,431,507.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.