Finding the Fourth Proportional to 216,991,659.94, 299,448,607.35 and 119,212,814.50
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Solution
The fourth proportional to 216,991,659.94, 299,448,607.35 and 119,212,814.50 is: 164,513,748.09
Step by Step Solution
- Step 1: Write the proportion equation
216,991,659.94 : 299,448,607.35 = 119,212,814.50 : x - Step 2: Convert to fraction form
216,991,659.94/299,448,607.35 = 119,212,814.50/x - Step 3: Cross multiply
216,991,659.94x = 299,448,607.35 × 119,212,814.50 - Step 4: Simplify right side
216,991,659.94x = 35,698,111,279,997,312 - Step 5: Solve for x
x = 35,698,111,279,997,312/216,991,659.94 - Step 6: Final answer
x = 164,513,748.09
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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.