Finding the Fourth Proportional to 69,959,834.06, 104,935,967.61 and 21,437,827.97
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Solution
The fourth proportional to 69,959,834.06, 104,935,967.61 and 21,437,827.97 is: 32,155,582.58
Step by Step Solution
- Step 1: Write the proportion equation
69,959,834.06 : 104,935,967.61 = 21,437,827.97 : x - Step 2: Convert to fraction form
69,959,834.06/104,935,967.61 = 21,437,827.97/x - Step 3: Cross multiply
69,959,834.06x = 104,935,967.61 × 21,437,827.97 - Step 4: Simplify right side
69,959,834.06x = 2,249,599,221,488,672 - Step 5: Solve for x
x = 2,249,599,221,488,672/69,959,834.06 - Step 6: Final answer
x = 32,155,582.58
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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.