Finding the Fourth Proportional to 93,319,700.80, 139,979,551.20 and 42,203,387.20
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Solution
The fourth proportional to 93,319,700.80, 139,979,551.20 and 42,203,387.20 is: 63,305,080.80
Step by Step Solution
- Step 1: Write the proportion equation
93,319,700.80 : 139,979,551.20 = 42,203,387.20 : x - Step 2: Convert to fraction form
93,319,700.80/139,979,551.20 = 42,203,387.20/x - Step 3: Cross multiply
93,319,700.80x = 139,979,551.20 × 42,203,387.20 - Step 4: Simplify right side
93,319,700.80x = 5,907,611,199,375,825 - Step 5: Solve for x
x = 5,907,611,199,375,825/93,319,700.80 - Step 6: Final answer
x = 63,305,080.80
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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.