Finding the Fourth Proportional to 219,176,652.36, 302,453,031.93 and 120,057,839.40
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Solution
The fourth proportional to 219,176,652.36, 302,453,031.93 and 120,057,839.40 is: 165,673,930.79
Step by Step Solution
- Step 1: Write the proportion equation
219,176,652.36 : 302,453,031.93 = 120,057,839.40 : x - Step 2: Convert to fraction form
219,176,652.36/302,453,031.93 = 120,057,839.40/x - Step 3: Cross multiply
219,176,652.36x = 302,453,031.93 × 120,057,839.40 - Step 4: Simplify right side
219,176,652.36x = 36,311,857,533,495,016 - Step 5: Solve for x
x = 36,311,857,533,495,016/219,176,652.36 - Step 6: Final answer
x = 165,673,930.79
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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.