Finding the Fourth Proportional to 180,319,901.80, 270,479,852.70 and 122,924,273.80
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Solution
The fourth proportional to 180,319,901.80, 270,479,852.70 and 122,924,273.80 is: 184,386,410.70
Step by Step Solution
- Step 1: Write the proportion equation
180,319,901.80 : 270,479,852.70 = 122,924,273.80 : x - Step 2: Convert to fraction form
180,319,901.80/270,479,852.70 = 122,924,273.80/x - Step 3: Cross multiply
180,319,901.80x = 270,479,852.70 × 122,924,273.80 - Step 4: Simplify right side
180,319,901.80x = 33,248,539,470,678,468 - Step 5: Solve for x
x = 33,248,539,470,678,468/180,319,901.80 - Step 6: Final answer
x = 184,386,410.70
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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.