Finding the Fourth Proportional to 124,208,291.58, 171,408,603.51 and 68,455,702.14
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Solution
The fourth proportional to 124,208,291.58, 171,408,603.51 and 68,455,702.14 is: 94,469,508.89
Step by Step Solution
- Step 1: Write the proportion equation
124,208,291.58 : 171,408,603.51 = 68,455,702.14 : x - Step 2: Convert to fraction form
124,208,291.58/171,408,603.51 = 68,455,702.14/x - Step 3: Cross multiply
124,208,291.58x = 171,408,603.51 × 68,455,702.14 - Step 4: Simplify right side
124,208,291.58x = 11,733,896,306,113,918 - Step 5: Solve for x
x = 11,733,896,306,113,918/124,208,291.58 - Step 6: Final answer
x = 94,469,508.89
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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.