Finding the Fourth Proportional to 155,373,174.84, 214,382,973.98 and 89,280,904.08
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Solution
The fourth proportional to 155,373,174.84, 214,382,973.98 and 89,280,904.08 is: 123,189,255.52
Step by Step Solution
- Step 1: Write the proportion equation
155,373,174.84 : 214,382,973.98 = 89,280,904.08 : x - Step 2: Convert to fraction form
155,373,174.84/214,382,973.98 = 89,280,904.08/x - Step 3: Cross multiply
155,373,174.84x = 214,382,973.98 × 89,280,904.08 - Step 4: Simplify right side
155,373,174.84x = 19,140,305,736,293,516 - Step 5: Solve for x
x = 19,140,305,736,293,516/155,373,174.84 - Step 6: Final answer
x = 123,189,255.52
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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.