Finding the Fourth Proportional to 147,550,208.80, 221,325,313.20 and 70,854,743.20
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Solution
The fourth proportional to 147,550,208.80, 221,325,313.20 and 70,854,743.20 is: 106,282,114.80
Step by Step Solution
- Step 1: Write the proportion equation
147,550,208.80 : 221,325,313.20 = 70,854,743.20 : x - Step 2: Convert to fraction form
147,550,208.80/221,325,313.20 = 70,854,743.20/x - Step 3: Cross multiply
147,550,208.80x = 221,325,313.20 × 70,854,743.20 - Step 4: Simplify right side
147,550,208.80x = 15,681,948,230,445,570 - Step 5: Solve for x
x = 15,681,948,230,445,570/147,550,208.80 - Step 6: Final answer
x = 106,282,114.80
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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.