Finding the Fourth Proportional to 124,810,903.19, 187,241,888.86 and 42,919,146.09
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Solution
The fourth proportional to 124,810,903.19, 187,241,888.86 and 42,919,146.09 is: 64,387,499.62
Step by Step Solution
- Step 1: Write the proportion equation
124,810,903.19 : 187,241,888.86 = 42,919,146.09 : x - Step 2: Convert to fraction form
124,810,903.19/187,241,888.86 = 42,919,146.09/x - Step 3: Cross multiply
124,810,903.19x = 187,241,888.86 × 42,919,146.09 - Step 4: Simplify right side
124,810,903.19x = 8,036,261,981,574,480 - Step 5: Solve for x
x = 8,036,261,981,574,480/124,810,903.19 - Step 6: Final answer
x = 64,387,499.62
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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.