Finding the Fourth Proportional to 270,030,317.40, 372,643,626.12 and 146,270,994.12
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Solution
The fourth proportional to 270,030,317.40, 372,643,626.12 and 146,270,994.12 is: 201,854,940.47
Step by Step Solution
- Step 1: Write the proportion equation
270,030,317.40 : 372,643,626.12 = 146,270,994.12 : x - Step 2: Convert to fraction form
270,030,317.40/372,643,626.12 = 146,270,994.12/x - Step 3: Cross multiply
270,030,317.40x = 372,643,626.12 × 146,270,994.12 - Step 4: Simplify right side
270,030,317.40x = 54,506,953,645,054,000 - Step 5: Solve for x
x = 54,506,953,645,054,000/270,030,317.40 - Step 6: Final answer
x = 201,854,940.47
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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.