Finding the Fourth Proportional to 54,188,055.18, 74,779,555.15 and 29,408,235.62
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Solution
The fourth proportional to 54,188,055.18, 74,779,555.15 and 29,408,235.62 is: 40,583,386.32
Step by Step Solution
- Step 1: Write the proportion equation
54,188,055.18 : 74,779,555.15 = 29,408,235.62 : x - Step 2: Convert to fraction form
54,188,055.18/74,779,555.15 = 29,408,235.62/x - Step 3: Cross multiply
54,188,055.18x = 74,779,555.15 × 29,408,235.62 - Step 4: Simplify right side
54,188,055.18x = 2,199,134,777,072,847 - Step 5: Solve for x
x = 2,199,134,777,072,847/54,188,055.18 - Step 6: Final answer
x = 40,583,386.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.