Finding the Fourth Proportional to 79,860,555.18, 110,207,565.90 and 43,191,126.18
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Solution
The fourth proportional to 79,860,555.18, 110,207,565.90 and 43,191,126.18 is: 59,603,753.99
Step by Step Solution
- Step 1: Write the proportion equation
79,860,555.18 : 110,207,565.90 = 43,191,126.18 : x - Step 2: Convert to fraction form
79,860,555.18/110,207,565.90 = 43,191,126.18/x - Step 3: Cross multiply
79,860,555.18x = 110,207,565.90 × 43,191,126.18 - Step 4: Simplify right side
79,860,555.18x = 4,759,988,884,777,565 - Step 5: Solve for x
x = 4,759,988,884,777,565/79,860,555.18 - Step 6: Final answer
x = 59,603,753.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.