Finding the Fourth Proportional to 169,778,835.30, 254,668,252.95 and 48,610,287.30
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Solution
The fourth proportional to 169,778,835.30, 254,668,252.95 and 48,610,287.30 is: 72,915,430.95
Step by Step Solution
- Step 1: Write the proportion equation
169,778,835.30 : 254,668,252.95 = 48,610,287.30 : x - Step 2: Convert to fraction form
169,778,835.30/254,668,252.95 = 48,610,287.30/x - Step 3: Cross multiply
169,778,835.30x = 254,668,252.95 × 48,610,287.30 - Step 4: Simplify right side
169,778,835.30x = 12,379,496,942,088,572 - Step 5: Solve for x
x = 12,379,496,942,088,572/169,778,835.30 - Step 6: Final answer
x = 72,915,430.95
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1.5x scale
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.