Finding the Fourth Proportional to 124,810,904.19, 187,241,890.36 and 42,919,147.09
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Solution
The fourth proportional to 124,810,904.19, 187,241,890.36 and 42,919,147.09 is: 64,387,501.12
Step by Step Solution
- Step 1: Write the proportion equation
124,810,904.19 : 187,241,890.36 = 42,919,147.09 : x - Step 2: Convert to fraction form
124,810,904.19/187,241,890.36 = 42,919,147.09/x - Step 3: Cross multiply
124,810,904.19x = 187,241,890.36 × 42,919,147.09 - Step 4: Simplify right side
124,810,904.19x = 8,036,262,233,770,494 - Step 5: Solve for x
x = 8,036,262,233,770,494/124,810,904.19 - Step 6: Final answer
x = 64,387,501.12
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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.