Finding the Fourth Proportional to 69,828,511.50, 96,366,335.58 and 38,888,680.68
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Solution
The fourth proportional to 69,828,511.50, 96,366,335.58 and 38,888,680.68 is: 53,668,044.36
Step by Step Solution
- Step 1: Write the proportion equation
69,828,511.50 : 96,366,335.58 = 38,888,680.68 : x - Step 2: Convert to fraction form
69,828,511.50/96,366,335.58 = 38,888,680.68/x - Step 3: Cross multiply
69,828,511.50x = 96,366,335.58 × 38,888,680.68 - Step 4: Simplify right side
69,828,511.50x = 3,747,559,652,672,342.50 - Step 5: Solve for x
x = 3,747,559,652,672,342.50/69,828,511.50 - Step 6: Final answer
x = 53,668,044.36
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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.