Finding the Fourth Proportional to 146,146,038.62, 201,681,463.41 and 87,408,702.59
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Solution
The fourth proportional to 146,146,038.62, 201,681,463.41 and 87,408,702.59 is: 120,623,967.77
Step by Step Solution
- Step 1: Write the proportion equation
146,146,038.62 : 201,681,463.41 = 87,408,702.59 : x - Step 2: Convert to fraction form
146,146,038.62/201,681,463.41 = 87,408,702.59/x - Step 3: Cross multiply
146,146,038.62x = 201,681,463.41 × 87,408,702.59 - Step 4: Simplify right side
146,146,038.62x = 17,628,715,052,112,248 - Step 5: Solve for x
x = 17,628,715,052,112,248/146,146,038.62 - Step 6: Final answer
x = 120,623,967.77
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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.