Finding the Fourth Proportional to 212,697,195.42, 293,523,409.26 and 118,617,281.88
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Solution
The fourth proportional to 212,697,195.42, 293,523,409.26 and 118,617,281.88 is: 163,692,562.59
Step by Step Solution
- Step 1: Write the proportion equation
212,697,195.42 : 293,523,409.26 = 118,617,281.88 : x - Step 2: Convert to fraction form
212,697,195.42/293,523,409.26 = 118,617,281.88/x - Step 3: Cross multiply
212,697,195.42x = 293,523,409.26 × 118,617,281.88 - Step 4: Simplify right side
212,697,195.42x = 34,816,948,974,572,020 - Step 5: Solve for x
x = 34,816,948,974,572,020/212,697,195.42 - Step 6: Final answer
x = 163,692,562.59
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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.