Finding the Fourth Proportional to 168,518,289.35, 232,562,421.41 and 94,178,847.74
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Solution
The fourth proportional to 168,518,289.35, 232,562,421.41 and 94,178,847.74 is: 129,970,823.69
Step by Step Solution
- Step 1: Write the proportion equation
168,518,289.35 : 232,562,421.41 = 94,178,847.74 : x - Step 2: Convert to fraction form
168,518,289.35/232,562,421.41 = 94,178,847.74/x - Step 3: Cross multiply
168,518,289.35x = 232,562,421.41 × 94,178,847.74 - Step 4: Simplify right side
168,518,289.35x = 21,902,460,874,384,400 - Step 5: Solve for x
x = 21,902,460,874,384,400/168,518,289.35 - Step 6: Final answer
x = 129,970,823.69
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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.