Finding the Fourth Proportional to 99,885,702.10, 149,838,532.35 and 27,103,638.10
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Solution
The fourth proportional to 99,885,702.10, 149,838,532.35 and 27,103,638.10 is: 40,658,164.97
Step by Step Solution
- Step 1: Write the proportion equation
99,885,702.10 : 149,838,532.35 = 27,103,638.10 : x - Step 2: Convert to fraction form
99,885,702.10/149,838,532.35 = 27,103,638.10/x - Step 3: Cross multiply
99,885,702.10x = 149,838,532.35 × 27,103,638.10 - Step 4: Simplify right side
99,885,702.10x = 4,061,169,354,249,542.50 - Step 5: Solve for x
x = 4,061,169,354,249,542.50/99,885,702.10 - Step 6: Final answer
x = 40,658,164.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.