Finding the Fourth Proportional to 155,309,594.16, 214,331,725.98 and 85,699,457.76
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Solution
The fourth proportional to 155,309,594.16, 214,331,725.98 and 85,699,457.76 is: 118,267,727.09
Step by Step Solution
- Step 1: Write the proportion equation
155,309,594.16 : 214,331,725.98 = 85,699,457.76 : x - Step 2: Convert to fraction form
155,309,594.16/214,331,725.98 = 85,699,457.76/x - Step 3: Cross multiply
155,309,594.16x = 214,331,725.98 × 85,699,457.76 - Step 4: Simplify right side
155,309,594.16x = 18,368,112,697,250,904 - Step 5: Solve for x
x = 18,368,112,697,250,904/155,309,594.16 - Step 6: Final answer
x = 118,267,727.09
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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.