Finding the Fourth Proportional to 231,228,987.68, 346,843,598.16 and 69,670,923.68
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Solution
The fourth proportional to 231,228,987.68, 346,843,598.16 and 69,670,923.68 is: 104,506,420.66
Step by Step Solution
- Step 1: Write the proportion equation
231,228,987.68 : 346,843,598.16 = 69,670,923.68 : x - Step 2: Convert to fraction form
231,228,987.68/346,843,598.16 = 69,670,923.68/x - Step 3: Cross multiply
231,228,987.68x = 346,843,598.16 × 69,670,923.68 - Step 4: Simplify right side
231,228,987.68x = 24,164,913,856,301,952 - Step 5: Solve for x
x = 24,164,913,856,301,952/231,228,987.68 - Step 6: Final answer
x = 104,506,420.66
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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.