Finding the Fourth Proportional to 97,931,806.26, 135,145,888.19 and 53,877,860.03
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Solution
The fourth proportional to 97,931,806.26, 135,145,888.19 and 53,877,860.03 is: 74,351,444.38
Step by Step Solution
- Step 1: Write the proportion equation
97,931,806.26 : 135,145,888.19 = 53,877,860.03 : x - Step 2: Convert to fraction form
97,931,806.26/135,145,888.19 = 53,877,860.03/x - Step 3: Cross multiply
97,931,806.26x = 135,145,888.19 × 53,877,860.03 - Step 4: Simplify right side
97,931,806.26x = 7,281,371,246,585,731 - Step 5: Solve for x
x = 7,281,371,246,585,731/97,931,806.26 - Step 6: Final answer
x = 74,351,444.38
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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.