Finding the Fourth Proportional to 141,780,864.24, 195,657,768 and 76,590,768.24
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Solution
The fourth proportional to 141,780,864.24, 195,657,768 and 76,590,768.24 is: 105,695,354.90
Step by Step Solution
- Step 1: Write the proportion equation
141,780,864.24 : 195,657,768 = 76,590,768.24 : x - Step 2: Convert to fraction form
141,780,864.24/195,657,768 = 76,590,768.24/x - Step 3: Cross multiply
141,780,864.24x = 195,657,768 × 76,590,768.24 - Step 4: Simplify right side
141,780,864.24x = 14,985,578,763,243,688 - Step 5: Solve for x
x = 14,985,578,763,243,688/141,780,864.24 - Step 6: Final answer
x = 105,695,354.90
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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.