Finding the Fourth Proportional to 238,687,841.07, 358,031,860.86 and 107,376,740.29
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Solution
The fourth proportional to 238,687,841.07, 358,031,860.86 and 107,376,740.29 is: 161,065,155.09
Step by Step Solution
- Step 1: Write the proportion equation
238,687,841.07 : 358,031,860.86 = 107,376,740.29 : x - Step 2: Convert to fraction form
238,687,841.07/358,031,860.86 = 107,376,740.29/x - Step 3: Cross multiply
238,687,841.07x = 358,031,860.86 × 107,376,740.29 - Step 4: Simplify right side
238,687,841.07x = 38,444,294,140,060,720 - Step 5: Solve for x
x = 38,444,294,140,060,720/238,687,841.07 - Step 6: Final answer
x = 161,065,155.09
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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.