Finding the Fourth Proportional to 93,478,239.50, 128,997,593.97 and 52,225,441.70
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Solution
The fourth proportional to 93,478,239.50, 128,997,593.97 and 52,225,441.70 is: 72,069,781.79
Step by Step Solution
- Step 1: Write the proportion equation
93,478,239.50 : 128,997,593.97 = 52,225,441.70 : x - Step 2: Convert to fraction form
93,478,239.50/128,997,593.97 = 52,225,441.70/x - Step 3: Cross multiply
93,478,239.50x = 128,997,593.97 × 52,225,441.70 - Step 4: Simplify right side
93,478,239.50x = 6,736,956,323,320,507 - Step 5: Solve for x
x = 6,736,956,323,320,507/93,478,239.50 - Step 6: Final answer
x = 72,069,781.79
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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.