Finding the Fourth Proportional to 77,358,603.36, 106,749,609.84 and 44,768,454.24
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Solution
The fourth proportional to 77,358,603.36, 106,749,609.84 and 44,768,454.24 is: 61,777,421.20
Step by Step Solution
- Step 1: Write the proportion equation
77,358,603.36 : 106,749,609.84 = 44,768,454.24 : x - Step 2: Convert to fraction form
77,358,603.36/106,749,609.84 = 44,768,454.24/x - Step 3: Cross multiply
77,358,603.36x = 106,749,609.84 × 44,768,454.24 - Step 4: Simplify right side
77,358,603.36x = 4,779,015,023,259,894 - Step 5: Solve for x
x = 4,779,015,023,259,894/77,358,603.36 - Step 6: Final answer
x = 61,777,421.20
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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.