Finding the Fourth Proportional to 197,206,924.35, 295,810,386.53 and 120,679,420.35
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Solution
The fourth proportional to 197,206,924.35, 295,810,386.53 and 120,679,420.35 is: 181,019,130.53
Step by Step Solution
- Step 1: Write the proportion equation
197,206,924.35 : 295,810,386.53 = 120,679,420.35 : x - Step 2: Convert to fraction form
197,206,924.35/295,810,386.53 = 120,679,420.35/x - Step 3: Cross multiply
197,206,924.35x = 295,810,386.53 × 120,679,420.35 - Step 4: Simplify right side
197,206,924.35x = 35,698,225,979,346,448 - Step 5: Solve for x
x = 35,698,225,979,346,448/197,206,924.35 - Step 6: Final answer
x = 181,019,130.53
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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.