Finding the Fourth Proportional to 228,820,730.08, 315,874,392.24 and 136,031,277.28
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Solution
The fourth proportional to 228,820,730.08, 315,874,392.24 and 136,031,277.28 is: 187,783,672.49
Step by Step Solution
- Step 1: Write the proportion equation
228,820,730.08 : 315,874,392.24 = 136,031,277.28 : x - Step 2: Convert to fraction form
228,820,730.08/315,874,392.24 = 136,031,277.28/x - Step 3: Cross multiply
228,820,730.08x = 315,874,392.24 × 136,031,277.28 - Step 4: Simplify right side
228,820,730.08x = 42,968,797,036,450,920 - Step 5: Solve for x
x = 42,968,797,036,450,920/228,820,730.08 - Step 6: Final answer
x = 187,783,672.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.