Finding the Fourth Proportional to 98,073,219.20, 135,341,041.92 and 56,844,026.24
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Solution
The fourth proportional to 98,073,219.20, 135,341,041.92 and 56,844,026.24 is: 78,444,755.88
Step by Step Solution
- Step 1: Write the proportion equation
98,073,219.20 : 135,341,041.92 = 56,844,026.24 : x - Step 2: Convert to fraction form
98,073,219.20/135,341,041.92 = 56,844,026.24/x - Step 3: Cross multiply
98,073,219.20x = 135,341,041.92 × 56,844,026.24 - Step 4: Simplify right side
98,073,219.20x = 7,693,329,738,249,420 - Step 5: Solve for x
x = 7,693,329,738,249,420/98,073,219.20 - Step 6: Final answer
x = 78,444,755.88
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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.