Finding the Fourth Proportional to 163,376,562.20, 244,728,920.10 and 112,316,235.80
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Solution
The fourth proportional to 163,376,562.20, 244,728,920.10 and 112,316,235.80 is: 168,243,417.09
Step by Step Solution
- Step 1: Write the proportion equation
163,376,562.20 : 244,728,920.10 = 112,316,235.80 : x - Step 2: Convert to fraction form
163,376,562.20/244,728,920.10 = 112,316,235.80/x - Step 3: Cross multiply
163,376,562.20x = 244,728,920.10 × 112,316,235.80 - Step 4: Simplify right side
163,376,562.20x = 27,487,031,097,030,960 - Step 5: Solve for x
x = 27,487,031,097,030,960/163,376,562.20 - Step 6: Final answer
x = 168,243,417.09
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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.