Finding the Fourth Proportional to 64,316,701.80, 96,454,319.94 and 21,175,633.62
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Solution
The fourth proportional to 64,316,701.80, 96,454,319.94 and 21,175,633.62 is: 31,756,624.38
Step by Step Solution
- Step 1: Write the proportion equation
64,316,701.80 : 96,454,319.94 = 21,175,633.62 : x - Step 2: Convert to fraction form
64,316,701.80/96,454,319.94 = 21,175,633.62/x - Step 3: Cross multiply
64,316,701.80x = 96,454,319.94 × 21,175,633.62 - Step 4: Simplify right side
64,316,701.80x = 2,042,481,340,115,700.50 - Step 5: Solve for x
x = 2,042,481,340,115,700.50/64,316,701.80 - Step 6: Final answer
x = 31,756,624.38
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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.